Finding the Third Proportional to 12,147 and 26,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,147 : 26,155.50 = 26,155.50 : x
2. Step 2: Convert to fraction form
   12,147/26,155.50 = 26,155.50/x
3. Step 3: Cross multiply
   12,147x = 26,155.50 × 26,155.50
4. Step 4: Simplify right side
   12,147x = 684,110,180.25
5. Step 5: Solve for x
   x = 684,110,180.25/12,147
6. Step 6: Final answer
   x = 56,319.27