Finding the Third Proportional to 99,600.75 and 215,796

Step by Step Solution

1. Step 1: Write the proportion equation
   99,600.75 : 215,796 = 215,796 : x
2. Step 2: Convert to fraction form
   99,600.75/215,796 = 215,796/x
3. Step 3: Cross multiply
   99,600.75x = 215,796 × 215,796
4. Step 4: Simplify right side
   99,600.75x = 46,567,913,616
5. Step 5: Solve for x
   x = 46,567,913,616/99,600.75
6. Step 6: Final answer
   x = 467,545.81