Finding the Third Proportional to 688,128 and 1,011,952

Step by Step Solution

1. Step 1: Write the proportion equation
   688,128 : 1,011,952 = 1,011,952 : x
2. Step 2: Convert to fraction form
   688,128/1,011,952 = 1,011,952/x
3. Step 3: Cross multiply
   688,128x = 1,011,952 × 1,011,952
4. Step 4: Simplify right side
   688,128x = 1,024,046,850,304
5. Step 5: Solve for x
   x = 1,024,046,850,304/688,128
6. Step 6: Final answer
   x = 1,488,163.32