Finding the Third Proportional to 8,021,172 and 17,320,782

Step by Step Solution

1. Step 1: Write the proportion equation
   8,021,172 : 17,320,782 = 17,320,782 : x
2. Step 2: Convert to fraction form
   8,021,172/17,320,782 = 17,320,782/x
3. Step 3: Cross multiply
   8,021,172x = 17,320,782 × 17,320,782
4. Step 4: Simplify right side
   8,021,172x = 300,009,489,091,524
5. Step 5: Solve for x
   x = 300,009,489,091,524/8,021,172
6. Step 6: Final answer
   x = 37,402,201.21