Finding the Third Proportional to 158,820 and 340,674

Step by Step Solution

1. Step 1: Write the proportion equation
   158,820 : 340,674 = 340,674 : x
2. Step 2: Convert to fraction form
   158,820/340,674 = 340,674/x
3. Step 3: Cross multiply
   158,820x = 340,674 × 340,674
4. Step 4: Simplify right side
   158,820x = 116,058,774,276
5. Step 5: Solve for x
   x = 116,058,774,276/158,820
6. Step 6: Final answer
   x = 730,756.67