Finding the Third Proportional to 31,309.50 and 48,486.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,309.50 : 48,486.38 = 48,486.38 : x
2. Step 2: Convert to fraction form
   31,309.50/48,486.38 = 48,486.38/x
3. Step 3: Cross multiply
   31,309.50x = 48,486.38 × 48,486.38
4. Step 4: Simplify right side
   31,309.50x = 2,350,928,560.64
5. Step 5: Solve for x
   x = 2,350,928,560.64/31,309.50
6. Step 6: Final answer
   x = 75,086.75