Finding the Third Proportional to 156,712 and 341,396

Step by Step Solution

1. Step 1: Write the proportion equation
   156,712 : 341,396 = 341,396 : x
2. Step 2: Convert to fraction form
   156,712/341,396 = 341,396/x
3. Step 3: Cross multiply
   156,712x = 341,396 × 341,396
4. Step 4: Simplify right side
   156,712x = 116,551,228,816
5. Step 5: Solve for x
   x = 116,551,228,816/156,712
6. Step 6: Final answer
   x = 743,728.81