Finding the Third Proportional to 8,513,752.50 and 12,758,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513,752.50 : 12,758,143.50 = 12,758,143.50 : x
2. Step 2: Convert to fraction form
   8,513,752.50/12,758,143.50 = 12,758,143.50/x
3. Step 3: Cross multiply
   8,513,752.50x = 12,758,143.50 × 12,758,143.50
4. Step 4: Simplify right side
   8,513,752.50x = 162,770,225,566,592.25
5. Step 5: Solve for x
   x = 162,770,225,566,592.25/8,513,752.50
6. Step 6: Final answer
   x = 19,118,505.68