Finding the Third Proportional to 72,459 and 155,630

Step by Step Solution

1. Step 1: Write the proportion equation
   72,459 : 155,630 = 155,630 : x
2. Step 2: Convert to fraction form
   72,459/155,630 = 155,630/x
3. Step 3: Cross multiply
   72,459x = 155,630 × 155,630
4. Step 4: Simplify right side
   72,459x = 24,220,696,900
5. Step 5: Solve for x
   x = 24,220,696,900/72,459
6. Step 6: Final answer
   x = 334,267.61