Finding the Third Proportional to 1,048,920 and 2,288,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048,920 : 2,288,280 = 2,288,280 : x
2. Step 2: Convert to fraction form
   1,048,920/2,288,280 = 2,288,280/x
3. Step 3: Cross multiply
   1,048,920x = 2,288,280 × 2,288,280
4. Step 4: Simplify right side
   1,048,920x = 5,236,225,358,400
5. Step 5: Solve for x
   x = 5,236,225,358,400/1,048,920
6. Step 6: Final answer
   x = 4,992,015.94