Finding the Third Proportional to 158,909.06 and 343,026

Step by Step Solution

1. Step 1: Write the proportion equation
   158,909.06 : 343,026 = 343,026 : x
2. Step 2: Convert to fraction form
   158,909.06/343,026 = 343,026/x
3. Step 3: Cross multiply
   158,909.06x = 343,026 × 343,026
4. Step 4: Simplify right side
   158,909.06x = 117,666,836,676
5. Step 5: Solve for x
   x = 117,666,836,676/158,909.06
6. Step 6: Final answer
   x = 740,466.50