Finding the Third Proportional to 988,674 and 2,126,382

Step by Step Solution

1. Step 1: Write the proportion equation
   988,674 : 2,126,382 = 2,126,382 : x
2. Step 2: Convert to fraction form
   988,674/2,126,382 = 2,126,382/x
3. Step 3: Cross multiply
   988,674x = 2,126,382 × 2,126,382
4. Step 4: Simplify right side
   988,674x = 4,521,500,409,924
5. Step 5: Solve for x
   x = 4,521,500,409,924/988,674
6. Step 6: Final answer
   x = 4,573,297.58