Finding the Third Proportional to 14,859,515 and 20,532,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,859,515 : 20,532,499.50 = 20,532,499.50 : x
2. Step 2: Convert to fraction form
   14,859,515/20,532,499.50 = 20,532,499.50/x
3. Step 3: Cross multiply
   14,859,515x = 20,532,499.50 × 20,532,499.50
4. Step 4: Simplify right side
   14,859,515x = 421,583,535,717,500.25
5. Step 5: Solve for x
   x = 421,583,535,717,500.25/14,859,515
6. Step 6: Final answer
   x = 28,371,285.05