Finding the Third Proportional to 27,819,878.63 and 42,555,942

Step by Step Solution

1. Step 1: Write the proportion equation
   27,819,878.63 : 42,555,942 = 42,555,942 : x
2. Step 2: Convert to fraction form
   27,819,878.63/42,555,942 = 42,555,942/x
3. Step 3: Cross multiply
   27,819,878.63x = 42,555,942 × 42,555,942
4. Step 4: Simplify right side
   27,819,878.63x = 1,811,008,199,507,364
5. Step 5: Solve for x
   x = 1,811,008,199,507,364/27,819,878.63
6. Step 6: Final answer
   x = 65,097,631.23