Finding the Third Proportional to 520,589 and 1,055,667

Step by Step Solution

1. Step 1: Write the proportion equation
   520,589 : 1,055,667 = 1,055,667 : x
2. Step 2: Convert to fraction form
   520,589/1,055,667 = 1,055,667/x
3. Step 3: Cross multiply
   520,589x = 1,055,667 × 1,055,667
4. Step 4: Simplify right side
   520,589x = 1,114,432,814,889
5. Step 5: Solve for x
   x = 1,114,432,814,889/520,589
6. Step 6: Final answer
   x = 2,140,715.26