Finding the Third Proportional to 555,759 and 1,155,123

Step by Step Solution

1. Step 1: Write the proportion equation
   555,759 : 1,155,123 = 1,155,123 : x
2. Step 2: Convert to fraction form
   555,759/1,155,123 = 1,155,123/x
3. Step 3: Cross multiply
   555,759x = 1,155,123 × 1,155,123
4. Step 4: Simplify right side
   555,759x = 1,334,309,145,129
5. Step 5: Solve for x
   x = 1,334,309,145,129/555,759
6. Step 6: Final answer
   x = 2,400,877.26