Finding the Third Proportional to 1,002,288 and 2,185,470

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,288 : 2,185,470 = 2,185,470 : x
2. Step 2: Convert to fraction form
   1,002,288/2,185,470 = 2,185,470/x
3. Step 3: Cross multiply
   1,002,288x = 2,185,470 × 2,185,470
4. Step 4: Simplify right side
   1,002,288x = 4,776,279,120,900
5. Step 5: Solve for x
   x = 4,776,279,120,900/1,002,288
6. Step 6: Final answer
   x = 4,765,375.94