Finding the Third Proportional to 14,339 and 31,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,339 : 31,432.50 = 31,432.50 : x
2. Step 2: Convert to fraction form
   14,339/31,432.50 = 31,432.50/x
3. Step 3: Cross multiply
   14,339x = 31,432.50 × 31,432.50
4. Step 4: Simplify right side
   14,339x = 988,002,056.25
5. Step 5: Solve for x
   x = 988,002,056.25/14,339
6. Step 6: Final answer
   x = 68,903.14