Finding the Third Proportional to 484,644 and 1,028,040

Step by Step Solution

1. Step 1: Write the proportion equation
   484,644 : 1,028,040 = 1,028,040 : x
2. Step 2: Convert to fraction form
   484,644/1,028,040 = 1,028,040/x
3. Step 3: Cross multiply
   484,644x = 1,028,040 × 1,028,040
4. Step 4: Simplify right side
   484,644x = 1,056,866,241,600
5. Step 5: Solve for x
   x = 1,056,866,241,600/484,644
6. Step 6: Final answer
   x = 2,180,706.34