Finding the Third Proportional to 8,155.13 and 12,373.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.13 : 12,373.88 = 12,373.88 : x
2. Step 2: Convert to fraction form
   8,155.13/12,373.88 = 12,373.88/x
3. Step 3: Cross multiply
   8,155.13x = 12,373.88 × 12,373.88
4. Step 4: Simplify right side
   8,155.13x = 153,112,782.52
5. Step 5: Solve for x
   x = 153,112,782.52/8,155.13
6. Step 6: Final answer
   x = 18,775.04