Finding the Third Proportional to 45,863.72 and 99,360.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,863.72 : 99,360.42 = 99,360.42 : x
2. Step 2: Convert to fraction form
   45,863.72/99,360.42 = 99,360.42/x
3. Step 3: Cross multiply
   45,863.72x = 99,360.42 × 99,360.42
4. Step 4: Simplify right side
   45,863.72x = 9,872,493,435.18
5. Step 5: Solve for x
   x = 9,872,493,435.18/45,863.72
6. Step 6: Final answer
   x = 215,257.15