Finding the Third Proportional to 156,638 and 244,314

Step by Step Solution

1. Step 1: Write the proportion equation
   156,638 : 244,314 = 244,314 : x
2. Step 2: Convert to fraction form
   156,638/244,314 = 244,314/x
3. Step 3: Cross multiply
   156,638x = 244,314 × 244,314
4. Step 4: Simplify right side
   156,638x = 59,689,330,596
5. Step 5: Solve for x
   x = 59,689,330,596/156,638
6. Step 6: Final answer
   x = 381,065.45