Finding the Third Proportional to 528,124 and 1,140,421

Step by Step Solution

1. Step 1: Write the proportion equation
   528,124 : 1,140,421 = 1,140,421 : x
2. Step 2: Convert to fraction form
   528,124/1,140,421 = 1,140,421/x
3. Step 3: Cross multiply
   528,124x = 1,140,421 × 1,140,421
4. Step 4: Simplify right side
   528,124x = 1,300,560,057,241
5. Step 5: Solve for x
   x = 1,300,560,057,241/528,124
6. Step 6: Final answer
   x = 2,462,603.59