Finding the Third Proportional to 14,389.31 and 31,046.63

Step by Step Solution

1. Step 1: Write the proportion equation
   14,389.31 : 31,046.63 = 31,046.63 : x
2. Step 2: Convert to fraction form
   14,389.31/31,046.63 = 31,046.63/x
3. Step 3: Cross multiply
   14,389.31x = 31,046.63 × 31,046.63
4. Step 4: Simplify right side
   14,389.31x = 963,892,923.89
5. Step 5: Solve for x
   x = 963,892,923.89/14,389.31
6. Step 6: Final answer
   x = 66,986.73