Finding the Third Proportional to 1,002,478 and 1,554,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,478 : 1,554,620 = 1,554,620 : x
2. Step 2: Convert to fraction form
   1,002,478/1,554,620 = 1,554,620/x
3. Step 3: Cross multiply
   1,002,478x = 1,554,620 × 1,554,620
4. Step 4: Simplify right side
   1,002,478x = 2,416,843,344,400
5. Step 5: Solve for x
   x = 2,416,843,344,400/1,002,478
6. Step 6: Final answer
   x = 2,410,869.21