Finding the Third Proportional to 156,357 and 341,386

Step by Step Solution

1. Step 1: Write the proportion equation
   156,357 : 341,386 = 341,386 : x
2. Step 2: Convert to fraction form
   156,357/341,386 = 341,386/x
3. Step 3: Cross multiply
   156,357x = 341,386 × 341,386
4. Step 4: Simplify right side
   156,357x = 116,544,400,996
5. Step 5: Solve for x
   x = 116,544,400,996/156,357
6. Step 6: Final answer
   x = 745,373.73