Finding the Third Proportional to 99,535,258 and 142,335,591

Step by Step Solution

1. Step 1: Write the proportion equation
   99,535,258 : 142,335,591 = 142,335,591 : x
2. Step 2: Convert to fraction form
   99,535,258/142,335,591 = 142,335,591/x
3. Step 3: Cross multiply
   99,535,258x = 142,335,591 × 142,335,591
4. Step 4: Simplify right side
   99,535,258x = 20,259,420,465,319,280
5. Step 5: Solve for x
   x = 20,259,420,465,319,280/99,535,258
6. Step 6: Final answer
   x = 203,540,141.18