Finding the Third Proportional to 1,248,554 and 1,869,411

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,554 : 1,869,411 = 1,869,411 : x
2. Step 2: Convert to fraction form
   1,248,554/1,869,411 = 1,869,411/x
3. Step 3: Cross multiply
   1,248,554x = 1,869,411 × 1,869,411
4. Step 4: Simplify right side
   1,248,554x = 3,494,697,486,921
5. Step 5: Solve for x
   x = 3,494,697,486,921/1,248,554
6. Step 6: Final answer
   x = 2,798,995.87