Finding the Third Proportional to 12,268,663.50 and 25,806,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,268,663.50 : 25,806,520.50 = 25,806,520.50 : x
2. Step 2: Convert to fraction form
   12,268,663.50/25,806,520.50 = 25,806,520.50/x
3. Step 3: Cross multiply
   12,268,663.50x = 25,806,520.50 × 25,806,520.50
4. Step 4: Simplify right side
   12,268,663.50x = 665,976,500,316,920.25
5. Step 5: Solve for x
   x = 665,976,500,316,920.25/12,268,663.50
6. Step 6: Final answer
   x = 54,282,726.09