Finding the Third Proportional to 158,290 and 341,156

Step by Step Solution

1. Step 1: Write the proportion equation
   158,290 : 341,156 = 341,156 : x
2. Step 2: Convert to fraction form
   158,290/341,156 = 341,156/x
3. Step 3: Cross multiply
   158,290x = 341,156 × 341,156
4. Step 4: Simplify right side
   158,290x = 116,387,416,336
5. Step 5: Solve for x
   x = 116,387,416,336/158,290
6. Step 6: Final answer
   x = 735,279.65