Finding the Third Proportional to 99,604.50 and 215,814

Step by Step Solution

1. Step 1: Write the proportion equation
   99,604.50 : 215,814 = 215,814 : x
2. Step 2: Convert to fraction form
   99,604.50/215,814 = 215,814/x
3. Step 3: Cross multiply
   99,604.50x = 215,814 × 215,814
4. Step 4: Simplify right side
   99,604.50x = 46,575,682,596
5. Step 5: Solve for x
   x = 46,575,682,596/99,604.50
6. Step 6: Final answer
   x = 467,606.21