Finding the Third Proportional to 535,315 and 1,188,728

Step by Step Solution

1. Step 1: Write the proportion equation
   535,315 : 1,188,728 = 1,188,728 : x
2. Step 2: Convert to fraction form
   535,315/1,188,728 = 1,188,728/x
3. Step 3: Cross multiply
   535,315x = 1,188,728 × 1,188,728
4. Step 4: Simplify right side
   535,315x = 1,413,074,257,984
5. Step 5: Solve for x
   x = 1,413,074,257,984/535,315
6. Step 6: Final answer
   x = 2,639,706.08