Finding the Third Proportional to 14,321.81 and 31,354.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,321.81 : 31,354.59 = 31,354.59 : x
2. Step 2: Convert to fraction form
   14,321.81/31,354.59 = 31,354.59/x
3. Step 3: Cross multiply
   14,321.81x = 31,354.59 × 31,354.59
4. Step 4: Simplify right side
   14,321.81x = 983,110,549.23
5. Step 5: Solve for x
   x = 983,110,549.23/14,321.81
6. Step 6: Final answer
   x = 68,644.28