Finding the Third Proportional to 31,259.67 and 48,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,259.67 : 48,478.50 = 48,478.50 : x
2. Step 2: Convert to fraction form
   31,259.67/48,478.50 = 48,478.50/x
3. Step 3: Cross multiply
   31,259.67x = 48,478.50 × 48,478.50
4. Step 4: Simplify right side
   31,259.67x = 2,350,164,962.25
5. Step 5: Solve for x
   x = 2,350,164,962.25/31,259.67
6. Step 6: Final answer
   x = 75,182.01