Finding the Third Proportional to 1,121,976 and 2,468,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,976 : 2,468,280 = 2,468,280 : x
2. Step 2: Convert to fraction form
   1,121,976/2,468,280 = 2,468,280/x
3. Step 3: Cross multiply
   1,121,976x = 2,468,280 × 2,468,280
4. Step 4: Simplify right side
   1,121,976x = 6,092,406,158,400
5. Step 5: Solve for x
   x = 6,092,406,158,400/1,121,976
6. Step 6: Final answer
   x = 5,430,068.16