Finding the Third Proportional to 45,150.75 and 69,874.31

Step by Step Solution

1. Step 1: Write the proportion equation
   45,150.75 : 69,874.31 = 69,874.31 : x
2. Step 2: Convert to fraction form
   45,150.75/69,874.31 = 69,874.31/x
3. Step 3: Cross multiply
   45,150.75x = 69,874.31 × 69,874.31
4. Step 4: Simplify right side
   45,150.75x = 4,882,419,547.35
5. Step 5: Solve for x
   x = 4,882,419,547.35/45,150.75
6. Step 6: Final answer
   x = 108,135.96