Finding the Third Proportional to 14,310.25 and 31,162.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,310.25 : 31,162.75 = 31,162.75 : x
2. Step 2: Convert to fraction form
   14,310.25/31,162.75 = 31,162.75/x
3. Step 3: Cross multiply
   14,310.25x = 31,162.75 × 31,162.75
4. Step 4: Simplify right side
   14,310.25x = 971,116,987.56
5. Step 5: Solve for x
   x = 971,116,987.56/14,310.25
6. Step 6: Final answer
   x = 67,861.64