Finding the Third Proportional to 19,217,957,404,238 and 42,107,455,623,924

Step by Step Solution

1. Step 1: Write the proportion equation
   19,217,957,404,238 : 42,107,455,623,924 = 42,107,455,623,924 : x
2. Step 2: Convert to fraction form
   19,217,957,404,238/42,107,455,623,924 = 42,107,455,623,924/x
3. Step 3: Cross multiply
   19,217,957,404,238x = 42,107,455,623,924 × 42,107,455,623,924
4. Step 4: Simplify right side
   19,217,957,404,238x = 1,773,037,819,120,728,997,749,587,968
5. Step 5: Solve for x
   x = 1,773,037,819,120,728,997,749,587,968/19,217,957,404,238
6. Step 6: Final answer
   x = 92,259,431,209,361.17