Finding the Third Proportional to 156,792 and 338,738

Step by Step Solution

1. Step 1: Write the proportion equation
   156,792 : 338,738 = 338,738 : x
2. Step 2: Convert to fraction form
   156,792/338,738 = 338,738/x
3. Step 3: Cross multiply
   156,792x = 338,738 × 338,738
4. Step 4: Simplify right side
   156,792x = 114,743,432,644
5. Step 5: Solve for x
   x = 114,743,432,644/156,792
6. Step 6: Final answer
   x = 731,819.43