Finding the Third Proportional to 336,555 and 504,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,555 : 504,805.50 = 504,805.50 : x
2. Step 2: Convert to fraction form
   336,555/504,805.50 = 504,805.50/x
3. Step 3: Cross multiply
   336,555x = 504,805.50 × 504,805.50
4. Step 4: Simplify right side
   336,555x = 254,828,592,830.25
5. Step 5: Solve for x
   x = 254,828,592,830.25/336,555
6. Step 6: Final answer
   x = 757,167.75