Finding the Third Proportional to 31,480.50 and 49,135.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,480.50 : 49,135.50 = 49,135.50 : x
2. Step 2: Convert to fraction form
   31,480.50/49,135.50 = 49,135.50/x
3. Step 3: Cross multiply
   31,480.50x = 49,135.50 × 49,135.50
4. Step 4: Simplify right side
   31,480.50x = 2,414,297,360.25
5. Step 5: Solve for x
   x = 2,414,297,360.25/31,480.50
6. Step 6: Final answer
   x = 76,691.84