Finding the Third Proportional to 528,132 and 1,140,438

Step by Step Solution

1. Step 1: Write the proportion equation
   528,132 : 1,140,438 = 1,140,438 : x
2. Step 2: Convert to fraction form
   528,132/1,140,438 = 1,140,438/x
3. Step 3: Cross multiply
   528,132x = 1,140,438 × 1,140,438
4. Step 4: Simplify right side
   528,132x = 1,300,598,831,844
5. Step 5: Solve for x
   x = 1,300,598,831,844/528,132
6. Step 6: Final answer
   x = 2,462,639.70