Finding the Third Proportional to 423,269.50 and 903,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,269.50 : 903,942.50 = 903,942.50 : x
2. Step 2: Convert to fraction form
   423,269.50/903,942.50 = 903,942.50/x
3. Step 3: Cross multiply
   423,269.50x = 903,942.50 × 903,942.50
4. Step 4: Simplify right side
   423,269.50x = 817,112,043,306.25
5. Step 5: Solve for x
   x = 817,112,043,306.25/423,269.50
6. Step 6: Final answer
   x = 1,930,477.02