Finding the Third Proportional to 105,231,984,138 and 245,549,781,909

Step by Step Solution

1. Step 1: Write the proportion equation
   105,231,984,138 : 245,549,781,909 = 245,549,781,909 : x
2. Step 2: Convert to fraction form
   105,231,984,138/245,549,781,909 = 245,549,781,909/x
3. Step 3: Cross multiply
   105,231,984,138x = 245,549,781,909 × 245,549,781,909
4. Step 4: Simplify right side
   105,231,984,138x = 60,294,695,395,557,466,177,536
5. Step 5: Solve for x
   x = 60,294,695,395,557,466,177,536/105,231,984,138
6. Step 6: Final answer
   x = 572,969,291,508.25