Finding the Third Proportional to 13,639.13 and 21,061.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,639.13 : 21,061.13 = 21,061.13 : x
2. Step 2: Convert to fraction form
   13,639.13/21,061.13 = 21,061.13/x
3. Step 3: Cross multiply
   13,639.13x = 21,061.13 × 21,061.13
4. Step 4: Simplify right side
   13,639.13x = 443,570,986.27
5. Step 5: Solve for x
   x = 443,570,986.27/13,639.13
6. Step 6: Final answer
   x = 32,521.95