Finding the Third Proportional to 39,181,290 and 91,494,724

Step by Step Solution

1. Step 1: Write the proportion equation
   39,181,290 : 91,494,724 = 91,494,724 : x
2. Step 2: Convert to fraction form
   39,181,290/91,494,724 = 91,494,724/x
3. Step 3: Cross multiply
   39,181,290x = 91,494,724 × 91,494,724
4. Step 4: Simplify right side
   39,181,290x = 8,371,284,519,836,176
5. Step 5: Solve for x
   x = 8,371,284,519,836,176/39,181,290
6. Step 6: Final answer
   x = 213,655,153.26