Finding the Third Proportional to 1,279,590 and 2,800,236

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,590 : 2,800,236 = 2,800,236 : x
2. Step 2: Convert to fraction form
   1,279,590/2,800,236 = 2,800,236/x
3. Step 3: Cross multiply
   1,279,590x = 2,800,236 × 2,800,236
4. Step 4: Simplify right side
   1,279,590x = 7,841,321,655,696
5. Step 5: Solve for x
   x = 7,841,321,655,696/1,279,590
6. Step 6: Final answer
   x = 6,127,995.42