Finding the Third Proportional to 21,687.75 and 32,713.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 32,713.88 = 32,713.88 : x
2. Step 2: Convert to fraction form
   21,687.75/32,713.88 = 32,713.88/x
3. Step 3: Cross multiply
   21,687.75x = 32,713.88 × 32,713.88
4. Step 4: Simplify right side
   21,687.75x = 1,070,197,617.52
5. Step 5: Solve for x
   x = 1,070,197,617.52/21,687.75
6. Step 6: Final answer
   x = 49,345.72