Finding the Third Proportional to 99,535,261 and 142,335,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,535,261 : 142,335,595.50 = 142,335,595.50 : x
2. Step 2: Convert to fraction form
   99,535,261/142,335,595.50 = 142,335,595.50/x
3. Step 3: Cross multiply
   99,535,261x = 142,335,595.50 × 142,335,595.50
4. Step 4: Simplify right side
   99,535,261x = 20,259,421,746,339,620
5. Step 5: Solve for x
   x = 20,259,421,746,339,620/99,535,261
6. Step 6: Final answer
   x = 203,540,147.91