Finding the Third Proportional to 12,155.50 and 26,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,155.50 : 26,862.50 = 26,862.50 : x
2. Step 2: Convert to fraction form
   12,155.50/26,862.50 = 26,862.50/x
3. Step 3: Cross multiply
   12,155.50x = 26,862.50 × 26,862.50
4. Step 4: Simplify right side
   12,155.50x = 721,593,906.25
5. Step 5: Solve for x
   x = 721,593,906.25/12,155.50
6. Step 6: Final answer
   x = 59,363.57