Finding the Third Proportional to 156,743 and 341,458

Step by Step Solution

1. Step 1: Write the proportion equation
   156,743 : 341,458 = 341,458 : x
2. Step 2: Convert to fraction form
   156,743/341,458 = 341,458/x
3. Step 3: Cross multiply
   156,743x = 341,458 × 341,458
4. Step 4: Simplify right side
   156,743x = 116,593,565,764
5. Step 5: Solve for x
   x = 116,593,565,764/156,743
6. Step 6: Final answer
   x = 743,851.82