Finding the Third Proportional to 156,940 and 341,078

Step by Step Solution

1. Step 1: Write the proportion equation
   156,940 : 341,078 = 341,078 : x
2. Step 2: Convert to fraction form
   156,940/341,078 = 341,078/x
3. Step 3: Cross multiply
   156,940x = 341,078 × 341,078
4. Step 4: Simplify right side
   156,940x = 116,334,202,084
5. Step 5: Solve for x
   x = 116,334,202,084/156,940
6. Step 6: Final answer
   x = 741,265.47