Finding the Third Proportional to 555,798 and 1,131,240

Step by Step Solution

1. Step 1: Write the proportion equation
   555,798 : 1,131,240 = 1,131,240 : x
2. Step 2: Convert to fraction form
   555,798/1,131,240 = 1,131,240/x
3. Step 3: Cross multiply
   555,798x = 1,131,240 × 1,131,240
4. Step 4: Simplify right side
   555,798x = 1,279,703,937,600
5. Step 5: Solve for x
   x = 1,279,703,937,600/555,798
6. Step 6: Final answer
   x = 2,302,462.29