Finding the Third Proportional to 949,878 and 1,938,510

Step by Step Solution

1. Step 1: Write the proportion equation
   949,878 : 1,938,510 = 1,938,510 : x
2. Step 2: Convert to fraction form
   949,878/1,938,510 = 1,938,510/x
3. Step 3: Cross multiply
   949,878x = 1,938,510 × 1,938,510
4. Step 4: Simplify right side
   949,878x = 3,757,821,020,100
5. Step 5: Solve for x
   x = 3,757,821,020,100/949,878
6. Step 6: Final answer
   x = 3,956,109.12