Finding the Third Proportional to 14,039 and 31,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,039 : 31,191.50 = 31,191.50 : x
2. Step 2: Convert to fraction form
   14,039/31,191.50 = 31,191.50/x
3. Step 3: Cross multiply
   14,039x = 31,191.50 × 31,191.50
4. Step 4: Simplify right side
   14,039x = 972,909,672.25
5. Step 5: Solve for x
   x = 972,909,672.25/14,039
6. Step 6: Final answer
   x = 69,300.50