Finding the Third Proportional to 88,035,986 and 207,144,959

Step by Step Solution

1. Step 1: Write the proportion equation
   88,035,986 : 207,144,959 = 207,144,959 : x
2. Step 2: Convert to fraction form
   88,035,986/207,144,959 = 207,144,959/x
3. Step 3: Cross multiply
   88,035,986x = 207,144,959 × 207,144,959
4. Step 4: Simplify right side
   88,035,986x = 42,909,034,039,111,680
5. Step 5: Solve for x
   x = 42,909,034,039,111,680/88,035,986
6. Step 6: Final answer
   x = 487,403,344.80