Finding the Third Proportional to 1,583,940 and 2,600,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583,940 : 2,600,280 = 2,600,280 : x
2. Step 2: Convert to fraction form
   1,583,940/2,600,280 = 2,600,280/x
3. Step 3: Cross multiply
   1,583,940x = 2,600,280 × 2,600,280
4. Step 4: Simplify right side
   1,583,940x = 6,761,456,078,400
5. Step 5: Solve for x
   x = 6,761,456,078,400/1,583,940
6. Step 6: Final answer
   x = 4,268,757.70