Finding the Third Proportional to 682,911 and 983,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   682,911 : 983,686.50 = 983,686.50 : x
2. Step 2: Convert to fraction form
   682,911/983,686.50 = 983,686.50/x
3. Step 3: Cross multiply
   682,911x = 983,686.50 × 983,686.50
4. Step 4: Simplify right side
   682,911x = 967,639,130,282.25
5. Step 5: Solve for x
   x = 967,639,130,282.25/682,911
6. Step 6: Final answer
   x = 1,416,933.00