Finding the Third Proportional to 1,279,580 and 2,736,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,580 : 2,736,280 = 2,736,280 : x
2. Step 2: Convert to fraction form
   1,279,580/2,736,280 = 2,736,280/x
3. Step 3: Cross multiply
   1,279,580x = 2,736,280 × 2,736,280
4. Step 4: Simplify right side
   1,279,580x = 7,487,228,238,400
5. Step 5: Solve for x
   x = 7,487,228,238,400/1,279,580
6. Step 6: Final answer
   x = 5,851,317.02