Finding the Third Proportional to 525,398 and 1,155,772

Step by Step Solution

1. Step 1: Write the proportion equation
   525,398 : 1,155,772 = 1,155,772 : x
2. Step 2: Convert to fraction form
   525,398/1,155,772 = 1,155,772/x
3. Step 3: Cross multiply
   525,398x = 1,155,772 × 1,155,772
4. Step 4: Simplify right side
   525,398x = 1,335,808,915,984
5. Step 5: Solve for x
   x = 1,335,808,915,984/525,398
6. Step 6: Final answer
   x = 2,542,470.50