Finding the Third Proportional to 14,373.75 and 31,419.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,373.75 : 31,419.25 = 31,419.25 : x
2. Step 2: Convert to fraction form
   14,373.75/31,419.25 = 31,419.25/x
3. Step 3: Cross multiply
   14,373.75x = 31,419.25 × 31,419.25
4. Step 4: Simplify right side
   14,373.75x = 987,169,270.56
5. Step 5: Solve for x
   x = 987,169,270.56/14,373.75
6. Step 6: Final answer
   x = 68,678.62