Finding the Third Proportional to 158,746 and 215,591

Step by Step Solution

1. Step 1: Write the proportion equation
   158,746 : 215,591 = 215,591 : x
2. Step 2: Convert to fraction form
   158,746/215,591 = 215,591/x
3. Step 3: Cross multiply
   158,746x = 215,591 × 215,591
4. Step 4: Simplify right side
   158,746x = 46,479,479,281
5. Step 5: Solve for x
   x = 46,479,479,281/158,746
6. Step 6: Final answer
   x = 292,791.50