Finding the Third Proportional to 1,277,500 and 2,781,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,500 : 2,781,800 = 2,781,800 : x
2. Step 2: Convert to fraction form
   1,277,500/2,781,800 = 2,781,800/x
3. Step 3: Cross multiply
   1,277,500x = 2,781,800 × 2,781,800
4. Step 4: Simplify right side
   1,277,500x = 7,738,411,240,000
5. Step 5: Solve for x
   x = 7,738,411,240,000/1,277,500
6. Step 6: Final answer
   x = 6,057,464.77