Finding the Third Proportional to 158,606 and 215,302

Step by Step Solution

1. Step 1: Write the proportion equation
   158,606 : 215,302 = 215,302 : x
2. Step 2: Convert to fraction form
   158,606/215,302 = 215,302/x
3. Step 3: Cross multiply
   158,606x = 215,302 × 215,302
4. Step 4: Simplify right side
   158,606x = 46,354,951,204
5. Step 5: Solve for x
   x = 46,354,951,204/158,606
6. Step 6: Final answer
   x = 292,264.80