Finding the Third Proportional to 528,131 and 1,140,449

Step by Step Solution

1. Step 1: Write the proportion equation
   528,131 : 1,140,449 = 1,140,449 : x
2. Step 2: Convert to fraction form
   528,131/1,140,449 = 1,140,449/x
3. Step 3: Cross multiply
   528,131x = 1,140,449 × 1,140,449
4. Step 4: Simplify right side
   528,131x = 1,300,623,921,601
5. Step 5: Solve for x
   x = 1,300,623,921,601/528,131
6. Step 6: Final answer
   x = 2,462,691.87