Finding the Third Proportional to 14,289.88 and 31,346.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,289.88 : 31,346.50 = 31,346.50 : x
2. Step 2: Convert to fraction form
   14,289.88/31,346.50 = 31,346.50/x
3. Step 3: Cross multiply
   14,289.88x = 31,346.50 × 31,346.50
4. Step 4: Simplify right side
   14,289.88x = 982,603,062.25
5. Step 5: Solve for x
   x = 982,603,062.25/14,289.88
6. Step 6: Final answer
   x = 68,762.19