Finding the Third Proportional to 20,899,825 and 32,281,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,899,825 : 32,281,624.50 = 32,281,624.50 : x
2. Step 2: Convert to fraction form
   20,899,825/32,281,624.50 = 32,281,624.50/x
3. Step 3: Cross multiply
   20,899,825x = 32,281,624.50 × 32,281,624.50
4. Step 4: Simplify right side
   20,899,825x = 1,042,103,280,359,000.25
5. Step 5: Solve for x
   x = 1,042,103,280,359,000.25/20,899,825
6. Step 6: Final answer
   x = 49,861,818.48