Finding the Third Proportional to 686,852 and 1,009,696

Step by Step Solution

1. Step 1: Write the proportion equation
   686,852 : 1,009,696 = 1,009,696 : x
2. Step 2: Convert to fraction form
   686,852/1,009,696 = 1,009,696/x
3. Step 3: Cross multiply
   686,852x = 1,009,696 × 1,009,696
4. Step 4: Simplify right side
   686,852x = 1,019,486,012,416
5. Step 5: Solve for x
   x = 1,019,486,012,416/686,852
6. Step 6: Final answer
   x = 1,484,287.75