Finding the Third Proportional to 90,784,874 and 188,029,524

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,874 : 188,029,524 = 188,029,524 : x
2. Step 2: Convert to fraction form
   90,784,874/188,029,524 = 188,029,524/x
3. Step 3: Cross multiply
   90,784,874x = 188,029,524 × 188,029,524
4. Step 4: Simplify right side
   90,784,874x = 35,355,101,895,666,576
5. Step 5: Solve for x
   x = 35,355,101,895,666,576/90,784,874
6. Step 6: Final answer
   x = 389,438,243.82