Finding the Third Proportional to 158,070 and 342,384

Step by Step Solution

1. Step 1: Write the proportion equation
   158,070 : 342,384 = 342,384 : x
2. Step 2: Convert to fraction form
   158,070/342,384 = 342,384/x
3. Step 3: Cross multiply
   158,070x = 342,384 × 342,384
4. Step 4: Simplify right side
   158,070x = 117,226,803,456
5. Step 5: Solve for x
   x = 117,226,803,456/158,070
6. Step 6: Final answer
   x = 741,613.23