Finding the Third Proportional to 14,391 and 31,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,391 : 31,441.50 = 31,441.50 : x
2. Step 2: Convert to fraction form
   14,391/31,441.50 = 31,441.50/x
3. Step 3: Cross multiply
   14,391x = 31,441.50 × 31,441.50
4. Step 4: Simplify right side
   14,391x = 988,567,922.25
5. Step 5: Solve for x
   x = 988,567,922.25/14,391
6. Step 6: Final answer
   x = 68,693.48