Finding the Third Proportional to 384,742 and 574,960.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,742 : 574,960.50 = 574,960.50 : x
2. Step 2: Convert to fraction form
   384,742/574,960.50 = 574,960.50/x
3. Step 3: Cross multiply
   384,742x = 574,960.50 × 574,960.50
4. Step 4: Simplify right side
   384,742x = 330,579,576,560.25
5. Step 5: Solve for x
   x = 330,579,576,560.25/384,742
6. Step 6: Final answer
   x = 859,224.04