Finding the Third Proportional to 1,002,766 and 2,188,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,766 : 2,188,460 = 2,188,460 : x
2. Step 2: Convert to fraction form
   1,002,766/2,188,460 = 2,188,460/x
3. Step 3: Cross multiply
   1,002,766x = 2,188,460 × 2,188,460
4. Step 4: Simplify right side
   1,002,766x = 4,789,357,171,600
5. Step 5: Solve for x
   x = 4,789,357,171,600/1,002,766
6. Step 6: Final answer
   x = 4,776,146.35