Finding the Third Proportional to 686,755 and 1,009,577

Step by Step Solution

1. Step 1: Write the proportion equation
   686,755 : 1,009,577 = 1,009,577 : x
2. Step 2: Convert to fraction form
   686,755/1,009,577 = 1,009,577/x
3. Step 3: Cross multiply
   686,755x = 1,009,577 × 1,009,577
4. Step 4: Simplify right side
   686,755x = 1,019,245,718,929
5. Step 5: Solve for x
   x = 1,019,245,718,929/686,755
6. Step 6: Final answer
   x = 1,484,147.50