Finding the Third Proportional to 31,488.75 and 68,050.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488.75 : 68,050.13 = 68,050.13 : x
2. Step 2: Convert to fraction form
   31,488.75/68,050.13 = 68,050.13/x
3. Step 3: Cross multiply
   31,488.75x = 68,050.13 × 68,050.13
4. Step 4: Simplify right side
   31,488.75x = 4,630,819,512.52
5. Step 5: Solve for x
   x = 4,630,819,512.52/31,488.75
6. Step 6: Final answer
   x = 147,062.67