Finding the Third Proportional to 99,850.22 and 219,041.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,850.22 : 219,041.72 = 219,041.72 : x
2. Step 2: Convert to fraction form
   99,850.22/219,041.72 = 219,041.72/x
3. Step 3: Cross multiply
   99,850.22x = 219,041.72 × 219,041.72
4. Step 4: Simplify right side
   99,850.22x = 47,979,274,552.95
5. Step 5: Solve for x
   x = 47,979,274,552.95/99,850.22
6. Step 6: Final answer
   x = 480,512.46