Finding the Third Proportional to 623,709 and 965,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,709 : 965,371.50 = 965,371.50 : x
2. Step 2: Convert to fraction form
   623,709/965,371.50 = 965,371.50/x
3. Step 3: Cross multiply
   623,709x = 965,371.50 × 965,371.50
4. Step 4: Simplify right side
   623,709x = 931,942,133,012.25
5. Step 5: Solve for x
   x = 931,942,133,012.25/623,709
6. Step 6: Final answer
   x = 1,494,193.82