Finding the Third Proportional to 528,216 and 1,140,612

Step by Step Solution

1. Step 1: Write the proportion equation
   528,216 : 1,140,612 = 1,140,612 : x
2. Step 2: Convert to fraction form
   528,216/1,140,612 = 1,140,612/x
3. Step 3: Cross multiply
   528,216x = 1,140,612 × 1,140,612
4. Step 4: Simplify right side
   528,216x = 1,300,995,734,544
5. Step 5: Solve for x
   x = 1,300,995,734,544/528,216
6. Step 6: Final answer
   x = 2,462,999.48