Finding the Third Proportional to 1,275,518 and 2,775,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275,518 : 2,775,222 = 2,775,222 : x
2. Step 2: Convert to fraction form
   1,275,518/2,775,222 = 2,775,222/x
3. Step 3: Cross multiply
   1,275,518x = 2,775,222 × 2,775,222
4. Step 4: Simplify right side
   1,275,518x = 7,701,857,149,284
5. Step 5: Solve for x
   x = 7,701,857,149,284/1,275,518
6. Step 6: Final answer
   x = 6,038,219.10