Finding the Third Proportional to 1,279,040 and 2,735,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,040 : 2,735,312 = 2,735,312 : x
2. Step 2: Convert to fraction form
   1,279,040/2,735,312 = 2,735,312/x
3. Step 3: Cross multiply
   1,279,040x = 2,735,312 × 2,735,312
4. Step 4: Simplify right side
   1,279,040x = 7,481,931,737,344
5. Step 5: Solve for x
   x = 7,481,931,737,344/1,279,040
6. Step 6: Final answer
   x = 5,849,646.40