Finding the Third Proportional to 14,387.06 and 31,442.63

Step by Step Solution

1. Step 1: Write the proportion equation
   14,387.06 : 31,442.63 = 31,442.63 : x
2. Step 2: Convert to fraction form
   14,387.06/31,442.63 = 31,442.63/x
3. Step 3: Cross multiply
   14,387.06x = 31,442.63 × 31,442.63
4. Step 4: Simplify right side
   14,387.06x = 988,638,666.89
5. Step 5: Solve for x
   x = 988,638,666.89/14,387.06
6. Step 6: Final answer
   x = 68,717.20