Finding the Third Proportional to 1,010,646 and 2,189,484

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,646 : 2,189,484 = 2,189,484 : x
2. Step 2: Convert to fraction form
   1,010,646/2,189,484 = 2,189,484/x
3. Step 3: Cross multiply
   1,010,646x = 2,189,484 × 2,189,484
4. Step 4: Simplify right side
   1,010,646x = 4,793,840,186,256
5. Step 5: Solve for x
   x = 4,793,840,186,256/1,010,646
6. Step 6: Final answer
   x = 4,743,342.56