Finding the Third Proportional to 45,296.25 and 74,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,296.25 : 74,863.50 = 74,863.50 : x
2. Step 2: Convert to fraction form
   45,296.25/74,863.50 = 74,863.50/x
3. Step 3: Cross multiply
   45,296.25x = 74,863.50 × 74,863.50
4. Step 4: Simplify right side
   45,296.25x = 5,604,543,632.25
5. Step 5: Solve for x
   x = 5,604,543,632.25/45,296.25
6. Step 6: Final answer
   x = 123,730.85