Finding the Third Proportional to 555,790.50 and 1,131,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   555,790.50 : 1,131,223.50 = 1,131,223.50 : x
2. Step 2: Convert to fraction form
   555,790.50/1,131,223.50 = 1,131,223.50/x
3. Step 3: Cross multiply
   555,790.50x = 1,131,223.50 × 1,131,223.50
4. Step 4: Simplify right side
   555,790.50x = 1,279,666,606,952.25
5. Step 5: Solve for x
   x = 1,279,666,606,952.25/555,790.50
6. Step 6: Final answer
   x = 2,302,426.20