Finding the Third Proportional to 72,756 and 156,636

Step by Step Solution

1. Step 1: Write the proportion equation
   72,756 : 156,636 = 156,636 : x
2. Step 2: Convert to fraction form
   72,756/156,636 = 156,636/x
3. Step 3: Cross multiply
   72,756x = 156,636 × 156,636
4. Step 4: Simplify right side
   72,756x = 24,534,836,496
5. Step 5: Solve for x
   x = 24,534,836,496/72,756
6. Step 6: Final answer
   x = 337,220.80