Finding the Third Proportional to 1,277,479 and 2,781,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,479 : 2,781,758 = 2,781,758 : x
2. Step 2: Convert to fraction form
   1,277,479/2,781,758 = 2,781,758/x
3. Step 3: Cross multiply
   1,277,479x = 2,781,758 × 2,781,758
4. Step 4: Simplify right side
   1,277,479x = 7,738,177,570,564
5. Step 5: Solve for x
   x = 7,738,177,570,564/1,277,479
6. Step 6: Final answer
   x = 6,057,381.43