Finding the Third Proportional to 1,260,514 and 2,698,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,514 : 2,698,220 = 2,698,220 : x
2. Step 2: Convert to fraction form
   1,260,514/2,698,220 = 2,698,220/x
3. Step 3: Cross multiply
   1,260,514x = 2,698,220 × 2,698,220
4. Step 4: Simplify right side
   1,260,514x = 7,280,391,168,400
5. Step 5: Solve for x
   x = 7,280,391,168,400/1,260,514
6. Step 6: Final answer
   x = 5,775,732.10