Finding the Third Proportional to 686,884 and 1,009,758

Step by Step Solution

1. Step 1: Write the proportion equation
   686,884 : 1,009,758 = 1,009,758 : x
2. Step 2: Convert to fraction form
   686,884/1,009,758 = 1,009,758/x
3. Step 3: Cross multiply
   686,884x = 1,009,758 × 1,009,758
4. Step 4: Simplify right side
   686,884x = 1,019,611,218,564
5. Step 5: Solve for x
   x = 1,019,611,218,564/686,884
6. Step 6: Final answer
   x = 1,484,400.89