Finding the Third Proportional to 12,797,722.50 and 18,108,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797,722.50 : 18,108,385.50 = 18,108,385.50 : x
2. Step 2: Convert to fraction form
   12,797,722.50/18,108,385.50 = 18,108,385.50/x
3. Step 3: Cross multiply
   12,797,722.50x = 18,108,385.50 × 18,108,385.50
4. Step 4: Simplify right side
   12,797,722.50x = 327,913,625,416,610.25
5. Step 5: Solve for x
   x = 327,913,625,416,610.25/12,797,722.50
6. Step 6: Final answer
   x = 25,622,811.04