Finding the Third Proportional to 158,112 and 342,468

Step by Step Solution

1. Step 1: Write the proportion equation
   158,112 : 342,468 = 342,468 : x
2. Step 2: Convert to fraction form
   158,112/342,468 = 342,468/x
3. Step 3: Cross multiply
   158,112x = 342,468 × 342,468
4. Step 4: Simplify right side
   158,112x = 117,284,331,024
5. Step 5: Solve for x
   x = 117,284,331,024/158,112
6. Step 6: Final answer
   x = 741,780.07