Finding the Third Proportional to 1,218,554 and 1,885,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,554 : 1,885,878 = 1,885,878 : x
2. Step 2: Convert to fraction form
   1,218,554/1,885,878 = 1,885,878/x
3. Step 3: Cross multiply
   1,218,554x = 1,885,878 × 1,885,878
4. Step 4: Simplify right side
   1,218,554x = 3,556,535,830,884
5. Step 5: Solve for x
   x = 3,556,535,830,884/1,218,554
6. Step 6: Final answer
   x = 2,918,652.63