Finding the Third Proportional to 333,878.25 and 787,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,878.25 : 787,369.50 = 787,369.50 : x
2. Step 2: Convert to fraction form
   333,878.25/787,369.50 = 787,369.50/x
3. Step 3: Cross multiply
   333,878.25x = 787,369.50 × 787,369.50
4. Step 4: Simplify right side
   333,878.25x = 619,950,729,530.25
5. Step 5: Solve for x
   x = 619,950,729,530.25/333,878.25
6. Step 6: Final answer
   x = 1,856,816.76