Finding the Third Proportional to 30,839.50 and 48,785.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,839.50 : 48,785.25 = 48,785.25 : x
2. Step 2: Convert to fraction form
   30,839.50/48,785.25 = 48,785.25/x
3. Step 3: Cross multiply
   30,839.50x = 48,785.25 × 48,785.25
4. Step 4: Simplify right side
   30,839.50x = 2,380,000,617.56
5. Step 5: Solve for x
   x = 2,380,000,617.56/30,839.50
6. Step 6: Final answer
   x = 77,173.77