Finding the Third Proportional to 339,300.56 and 527,554.69

Step by Step Solution

1. Step 1: Write the proportion equation
   339,300.56 : 527,554.69 = 527,554.69 : x
2. Step 2: Convert to fraction form
   339,300.56/527,554.69 = 527,554.69/x
3. Step 3: Cross multiply
   339,300.56x = 527,554.69 × 527,554.69
4. Step 4: Simplify right side
   339,300.56x = 278,313,948,303.22
5. Step 5: Solve for x
   x = 278,313,948,303.22/339,300.56
6. Step 6: Final answer
   x = 820,257.85