Finding the Third Proportional to 1,009,972 and 2,177,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,972 : 2,177,384 = 2,177,384 : x
2. Step 2: Convert to fraction form
   1,009,972/2,177,384 = 2,177,384/x
3. Step 3: Cross multiply
   1,009,972x = 2,177,384 × 2,177,384
4. Step 4: Simplify right side
   1,009,972x = 4,741,001,083,456
5. Step 5: Solve for x
   x = 4,741,001,083,456/1,009,972
6. Step 6: Final answer
   x = 4,694,190.61