Finding the Third Proportional to 1,574,452 and 2,506,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,452 : 2,506,478 = 2,506,478 : x
2. Step 2: Convert to fraction form
   1,574,452/2,506,478 = 2,506,478/x
3. Step 3: Cross multiply
   1,574,452x = 2,506,478 × 2,506,478
4. Step 4: Simplify right side
   1,574,452x = 6,282,431,964,484
5. Step 5: Solve for x
   x = 6,282,431,964,484/1,574,452
6. Step 6: Final answer
   x = 3,990,234.04