Finding the Third Proportional to 48,291.75 and 74,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   48,291.75 : 74,711.25 = 74,711.25 : x
2. Step 2: Convert to fraction form
   48,291.75/74,711.25 = 74,711.25/x
3. Step 3: Cross multiply
   48,291.75x = 74,711.25 × 74,711.25
4. Step 4: Simplify right side
   48,291.75x = 5,581,770,876.56
5. Step 5: Solve for x
   x = 5,581,770,876.56/48,291.75
6. Step 6: Final answer
   x = 115,584.36