Finding the Third Proportional to 518,974.50 and 1,140,189

Step by Step Solution

1. Step 1: Write the proportion equation
   518,974.50 : 1,140,189 = 1,140,189 : x
2. Step 2: Convert to fraction form
   518,974.50/1,140,189 = 1,140,189/x
3. Step 3: Cross multiply
   518,974.50x = 1,140,189 × 1,140,189
4. Step 4: Simplify right side
   518,974.50x = 1,300,030,955,721
5. Step 5: Solve for x
   x = 1,300,030,955,721/518,974.50
6. Step 6: Final answer
   x = 2,504,999.68