Finding the Third Proportional to 8,488,706.50 and 18,412,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488,706.50 : 18,412,925.50 = 18,412,925.50 : x
2. Step 2: Convert to fraction form
   8,488,706.50/18,412,925.50 = 18,412,925.50/x
3. Step 3: Cross multiply
   8,488,706.50x = 18,412,925.50 × 18,412,925.50
4. Step 4: Simplify right side
   8,488,706.50x = 339,035,825,468,550.25
5. Step 5: Solve for x
   x = 339,035,825,468,550.25/8,488,706.50
6. Step 6: Final answer
   x = 39,939,633.38