Finding the Third Proportional to 1,009,439 and 1,551,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,439 : 1,551,578 = 1,551,578 : x
2. Step 2: Convert to fraction form
   1,009,439/1,551,578 = 1,551,578/x
3. Step 3: Cross multiply
   1,009,439x = 1,551,578 × 1,551,578
4. Step 4: Simplify right side
   1,009,439x = 2,407,394,290,084
5. Step 5: Solve for x
   x = 2,407,394,290,084/1,009,439
6. Step 6: Final answer
   x = 2,384,883.38