Finding the Third Proportional to 158,862 and 342,132

Step by Step Solution

1. Step 1: Write the proportion equation
   158,862 : 342,132 = 342,132 : x
2. Step 2: Convert to fraction form
   158,862/342,132 = 342,132/x
3. Step 3: Cross multiply
   158,862x = 342,132 × 342,132
4. Step 4: Simplify right side
   158,862x = 117,054,305,424
5. Step 5: Solve for x
   x = 117,054,305,424/158,862
6. Step 6: Final answer
   x = 736,830.11