Finding the Third Proportional to 27,687,066 and 42,981,715

Step by Step Solution

1. Step 1: Write the proportion equation
   27,687,066 : 42,981,715 = 42,981,715 : x
2. Step 2: Convert to fraction form
   27,687,066/42,981,715 = 42,981,715/x
3. Step 3: Cross multiply
   27,687,066x = 42,981,715 × 42,981,715
4. Step 4: Simplify right side
   27,687,066x = 1,847,427,824,341,225
5. Step 5: Solve for x
   x = 1,847,427,824,341,225/27,687,066
6. Step 6: Final answer
   x = 66,725,301.42