Finding the Third Proportional to 574,820 and 1,209,188

Step by Step Solution

1. Step 1: Write the proportion equation
   574,820 : 1,209,188 = 1,209,188 : x
2. Step 2: Convert to fraction form
   574,820/1,209,188 = 1,209,188/x
3. Step 3: Cross multiply
   574,820x = 1,209,188 × 1,209,188
4. Step 4: Simplify right side
   574,820x = 1,462,135,619,344
5. Step 5: Solve for x
   x = 1,462,135,619,344/574,820
6. Step 6: Final answer
   x = 2,543,640.83