Finding the Third Proportional to 13,572.56 and 21,542.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,572.56 : 21,542.63 = 21,542.63 : x
2. Step 2: Convert to fraction form
   13,572.56/21,542.63 = 21,542.63/x
3. Step 3: Cross multiply
   13,572.56x = 21,542.63 × 21,542.63
4. Step 4: Simplify right side
   13,572.56x = 464,084,691.89
5. Step 5: Solve for x
   x = 464,084,691.89/13,572.56
6. Step 6: Final answer
   x = 34,192.86