Finding the Third Proportional to 158,744 and 215,588

Step by Step Solution

1. Step 1: Write the proportion equation
   158,744 : 215,588 = 215,588 : x
2. Step 2: Convert to fraction form
   158,744/215,588 = 215,588/x
3. Step 3: Cross multiply
   158,744x = 215,588 × 215,588
4. Step 4: Simplify right side
   158,744x = 46,478,185,744
5. Step 5: Solve for x
   x = 46,478,185,744/158,744
6. Step 6: Final answer
   x = 292,787.04