Finding the Third Proportional to 528,126 and 1,140,440

Step by Step Solution

1. Step 1: Write the proportion equation
   528,126 : 1,140,440 = 1,140,440 : x
2. Step 2: Convert to fraction form
   528,126/1,140,440 = 1,140,440/x
3. Step 3: Cross multiply
   528,126x = 1,140,440 × 1,140,440
4. Step 4: Simplify right side
   528,126x = 1,300,603,393,600
5. Step 5: Solve for x
   x = 1,300,603,393,600/528,126
6. Step 6: Final answer
   x = 2,462,676.32