Finding the Third Proportional to 86,703,919 and 142,337,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,703,919 : 142,337,530.50 = 142,337,530.50 : x
2. Step 2: Convert to fraction form
   86,703,919/142,337,530.50 = 142,337,530.50/x
3. Step 3: Cross multiply
   86,703,919x = 142,337,530.50 × 142,337,530.50
4. Step 4: Simplify right side
   86,703,919x = 20,259,972,588,838,432
5. Step 5: Solve for x
   x = 20,259,972,588,838,432/86,703,919
6. Step 6: Final answer
   x = 233,668,475.69