Finding the Third Proportional to 528,090 and 1,140,356

Step by Step Solution

1. Step 1: Write the proportion equation
   528,090 : 1,140,356 = 1,140,356 : x
2. Step 2: Convert to fraction form
   528,090/1,140,356 = 1,140,356/x
3. Step 3: Cross multiply
   528,090x = 1,140,356 × 1,140,356
4. Step 4: Simplify right side
   528,090x = 1,300,411,806,736
5. Step 5: Solve for x
   x = 1,300,411,806,736/528,090
6. Step 6: Final answer
   x = 2,462,481.41