Finding the Third Proportional to 528,136 and 1,140,446

Step by Step Solution

1. Step 1: Write the proportion equation
   528,136 : 1,140,446 = 1,140,446 : x
2. Step 2: Convert to fraction form
   528,136/1,140,446 = 1,140,446/x
3. Step 3: Cross multiply
   528,136x = 1,140,446 × 1,140,446
4. Step 4: Simplify right side
   528,136x = 1,300,617,078,916
5. Step 5: Solve for x
   x = 1,300,617,078,916/528,136
6. Step 6: Final answer
   x = 2,462,655.60