Finding the Third Proportional to 555,123 and 1,153,878

Step by Step Solution

1. Step 1: Write the proportion equation
   555,123 : 1,153,878 = 1,153,878 : x
2. Step 2: Convert to fraction form
   555,123/1,153,878 = 1,153,878/x
3. Step 3: Cross multiply
   555,123x = 1,153,878 × 1,153,878
4. Step 4: Simplify right side
   555,123x = 1,331,434,438,884
5. Step 5: Solve for x
   x = 1,331,434,438,884/555,123
6. Step 6: Final answer
   x = 2,398,449.42