Finding the Third Proportional to 12,543.75 and 17,835.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,543.75 : 17,835.32 = 17,835.32 : x
2. Step 2: Convert to fraction form
   12,543.75/17,835.32 = 17,835.32/x
3. Step 3: Cross multiply
   12,543.75x = 17,835.32 × 17,835.32
4. Step 4: Simplify right side
   12,543.75x = 318,098,498.25
5. Step 5: Solve for x
   x = 318,098,498.25/12,543.75
6. Step 6: Final answer
   x = 25,359.13