Finding the Third Proportional to 324,154 and 674,300

Step by Step Solution

1. Step 1: Write the proportion equation
   324,154 : 674,300 = 674,300 : x
2. Step 2: Convert to fraction form
   324,154/674,300 = 674,300/x
3. Step 3: Cross multiply
   324,154x = 674,300 × 674,300
4. Step 4: Simplify right side
   324,154x = 454,680,490,000
5. Step 5: Solve for x
   x = 454,680,490,000/324,154
6. Step 6: Final answer
   x = 1,402,668.15