Finding the Third Proportional to 298,882 and 625,460

Step by Step Solution

1. Step 1: Write the proportion equation
   298,882 : 625,460 = 625,460 : x
2. Step 2: Convert to fraction form
   298,882/625,460 = 625,460/x
3. Step 3: Cross multiply
   298,882x = 625,460 × 625,460
4. Step 4: Simplify right side
   298,882x = 391,200,211,600
5. Step 5: Solve for x
   x = 391,200,211,600/298,882
6. Step 6: Final answer
   x = 1,308,878.46