Finding the Third Proportional to 383,870 and 826,060

Step by Step Solution

1. Step 1: Write the proportion equation
   383,870 : 826,060 = 826,060 : x
2. Step 2: Convert to fraction form
   383,870/826,060 = 826,060/x
3. Step 3: Cross multiply
   383,870x = 826,060 × 826,060
4. Step 4: Simplify right side
   383,870x = 682,375,123,600
5. Step 5: Solve for x
   x = 682,375,123,600/383,870
6. Step 6: Final answer
   x = 1,777,620.35