Finding the Third Proportional to 99,414 and 220,050

Step by Step Solution

1. Step 1: Write the proportion equation
   99,414 : 220,050 = 220,050 : x
2. Step 2: Convert to fraction form
   99,414/220,050 = 220,050/x
3. Step 3: Cross multiply
   99,414x = 220,050 × 220,050
4. Step 4: Simplify right side
   99,414x = 48,422,002,500
5. Step 5: Solve for x
   x = 48,422,002,500/99,414
6. Step 6: Final answer
   x = 487,074.28