Finding the Third Proportional to 1,277,460 and 2,781,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,460 : 2,781,720 = 2,781,720 : x
2. Step 2: Convert to fraction form
   1,277,460/2,781,720 = 2,781,720/x
3. Step 3: Cross multiply
   1,277,460x = 2,781,720 × 2,781,720
4. Step 4: Simplify right side
   1,277,460x = 7,737,966,158,400
5. Step 5: Solve for x
   x = 7,737,966,158,400/1,277,460
6. Step 6: Final answer
   x = 6,057,306.03