Finding the Third Proportional to 339,762.41 and 476,274.78

Step by Step Solution

1. Step 1: Write the proportion equation
   339,762.41 : 476,274.78 = 476,274.78 : x
2. Step 2: Convert to fraction form
   339,762.41/476,274.78 = 476,274.78/x
3. Step 3: Cross multiply
   339,762.41x = 476,274.78 × 476,274.78
4. Step 4: Simplify right side
   339,762.41x = 226,837,665,394.27
5. Step 5: Solve for x
   x = 226,837,665,394.27/339,762.41
6. Step 6: Final answer
   x = 667,636.14