Finding the Third Proportional to 45,508.50 and 69,180.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,508.50 : 69,180.75 = 69,180.75 : x
2. Step 2: Convert to fraction form
   45,508.50/69,180.75 = 69,180.75/x
3. Step 3: Cross multiply
   45,508.50x = 69,180.75 × 69,180.75
4. Step 4: Simplify right side
   45,508.50x = 4,785,976,170.56
5. Step 5: Solve for x
   x = 4,785,976,170.56/45,508.50
6. Step 6: Final answer
   x = 105,166.64