Finding the Third Proportional to 12,618.28 and 26,543.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,618.28 : 26,543.95 = 26,543.95 : x
2. Step 2: Convert to fraction form
   12,618.28/26,543.95 = 26,543.95/x
3. Step 3: Cross multiply
   12,618.28x = 26,543.95 × 26,543.95
4. Step 4: Simplify right side
   12,618.28x = 704,581,447.50
5. Step 5: Solve for x
   x = 704,581,447.50/12,618.28
6. Step 6: Final answer
   x = 55,838.15