Finding the Third Proportional to 333,911.50 and 787,434

Step by Step Solution

1. Step 1: Write the proportion equation
   333,911.50 : 787,434 = 787,434 : x
2. Step 2: Convert to fraction form
   333,911.50/787,434 = 787,434/x
3. Step 3: Cross multiply
   333,911.50x = 787,434 × 787,434
4. Step 4: Simplify right side
   333,911.50x = 620,052,304,356
5. Step 5: Solve for x
   x = 620,052,304,356/333,911.50
6. Step 6: Final answer
   x = 1,856,936.06