Finding the Third Proportional to 686,757 and 1,009,580

Step by Step Solution

1. Step 1: Write the proportion equation
   686,757 : 1,009,580 = 1,009,580 : x
2. Step 2: Convert to fraction form
   686,757/1,009,580 = 1,009,580/x
3. Step 3: Cross multiply
   686,757x = 1,009,580 × 1,009,580
4. Step 4: Simplify right side
   686,757x = 1,019,251,776,400
5. Step 5: Solve for x
   x = 1,019,251,776,400/686,757
6. Step 6: Final answer
   x = 1,484,152.00