Finding the Third Proportional to 99,586.50 and 215,022

Step by Step Solution

1. Step 1: Write the proportion equation
   99,586.50 : 215,022 = 215,022 : x
2. Step 2: Convert to fraction form
   99,586.50/215,022 = 215,022/x
3. Step 3: Cross multiply
   99,586.50x = 215,022 × 215,022
4. Step 4: Simplify right side
   99,586.50x = 46,234,460,484
5. Step 5: Solve for x
   x = 46,234,460,484/99,586.50
6. Step 6: Final answer
   x = 464,264.34