Finding the Third Proportional to 603,674 and 1,279,300

Step by Step Solution

1. Step 1: Write the proportion equation
   603,674 : 1,279,300 = 1,279,300 : x
2. Step 2: Convert to fraction form
   603,674/1,279,300 = 1,279,300/x
3. Step 3: Cross multiply
   603,674x = 1,279,300 × 1,279,300
4. Step 4: Simplify right side
   603,674x = 1,636,608,490,000
5. Step 5: Solve for x
   x = 1,636,608,490,000/603,674
6. Step 6: Final answer
   x = 2,711,079.97