Finding the Third Proportional to 1,279,288 and 2,649,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,288 : 2,649,152 = 2,649,152 : x
2. Step 2: Convert to fraction form
   1,279,288/2,649,152 = 2,649,152/x
3. Step 3: Cross multiply
   1,279,288x = 2,649,152 × 2,649,152
4. Step 4: Simplify right side
   1,279,288x = 7,018,006,319,104
5. Step 5: Solve for x
   x = 7,018,006,319,104/1,279,288
6. Step 6: Final answer
   x = 5,485,868.95