Finding the Third Proportional to 485,920 and 1,043,440

Step by Step Solution

1. Step 1: Write the proportion equation
   485,920 : 1,043,440 = 1,043,440 : x
2. Step 2: Convert to fraction form
   485,920/1,043,440 = 1,043,440/x
3. Step 3: Cross multiply
   485,920x = 1,043,440 × 1,043,440
4. Step 4: Simplify right side
   485,920x = 1,088,767,033,600
5. Step 5: Solve for x
   x = 1,088,767,033,600/485,920
6. Step 6: Final answer
   x = 2,240,630.21