Finding the Third Proportional to 13,642.13 and 21,025.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,642.13 : 21,025.88 = 21,025.88 : x
2. Step 2: Convert to fraction form
   13,642.13/21,025.88 = 21,025.88/x
3. Step 3: Cross multiply
   13,642.13x = 21,025.88 × 21,025.88
4. Step 4: Simplify right side
   13,642.13x = 442,087,419.52
5. Step 5: Solve for x
   x = 442,087,419.52/13,642.13
6. Step 6: Final answer
   x = 32,406.05