Finding the Third Proportional to 1,279,584 and 2,736,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,584 : 2,736,288 = 2,736,288 : x
2. Step 2: Convert to fraction form
   1,279,584/2,736,288 = 2,736,288/x
3. Step 3: Cross multiply
   1,279,584x = 2,736,288 × 2,736,288
4. Step 4: Simplify right side
   1,279,584x = 7,487,272,018,944
5. Step 5: Solve for x
   x = 7,487,272,018,944/1,279,584
6. Step 6: Final answer
   x = 5,851,332.95