Finding the Third Proportional to 1,248,878 and 2,687,202

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,878 : 2,687,202 = 2,687,202 : x
2. Step 2: Convert to fraction form
   1,248,878/2,687,202 = 2,687,202/x
3. Step 3: Cross multiply
   1,248,878x = 2,687,202 × 2,687,202
4. Step 4: Simplify right side
   1,248,878x = 7,221,054,588,804
5. Step 5: Solve for x
   x = 7,221,054,588,804/1,248,878
6. Step 6: Final answer
   x = 5,782,033.62