Finding the Third Proportional to 686,842.50 and 1,009,683

Step by Step Solution

1. Step 1: Write the proportion equation
   686,842.50 : 1,009,683 = 1,009,683 : x
2. Step 2: Convert to fraction form
   686,842.50/1,009,683 = 1,009,683/x
3. Step 3: Cross multiply
   686,842.50x = 1,009,683 × 1,009,683
4. Step 4: Simplify right side
   686,842.50x = 1,019,459,760,489
5. Step 5: Solve for x
   x = 1,019,459,760,489/686,842.50
6. Step 6: Final answer
   x = 1,484,270.06