Finding the Third Proportional to 30,642.75 and 48,150

Step by Step Solution

1. Step 1: Write the proportion equation
   30,642.75 : 48,150 = 48,150 : x
2. Step 2: Convert to fraction form
   30,642.75/48,150 = 48,150/x
3. Step 3: Cross multiply
   30,642.75x = 48,150 × 48,150
4. Step 4: Simplify right side
   30,642.75x = 2,318,422,500
5. Step 5: Solve for x
   x = 2,318,422,500/30,642.75
6. Step 6: Final answer
   x = 75,659.74