Finding the Third Proportional to 525,048 and 1,145,128

Step by Step Solution

1. Step 1: Write the proportion equation
   525,048 : 1,145,128 = 1,145,128 : x
2. Step 2: Convert to fraction form
   525,048/1,145,128 = 1,145,128/x
3. Step 3: Cross multiply
   525,048x = 1,145,128 × 1,145,128
4. Step 4: Simplify right side
   525,048x = 1,311,318,136,384
5. Step 5: Solve for x
   x = 1,311,318,136,384/525,048
6. Step 6: Final answer
   x = 2,497,520.49