Finding the Third Proportional to 596,502 and 903,439.50

Step by Step Solution

1. Step 1: Write the proportion equation
   596,502 : 903,439.50 = 903,439.50 : x
2. Step 2: Convert to fraction form
   596,502/903,439.50 = 903,439.50/x
3. Step 3: Cross multiply
   596,502x = 903,439.50 × 903,439.50
4. Step 4: Simplify right side
   596,502x = 816,202,930,160.25
5. Step 5: Solve for x
   x = 816,202,930,160.25/596,502
6. Step 6: Final answer
   x = 1,368,315.50