Finding the Third Proportional to 326,548.50 and 504,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,548.50 : 504,385.50 = 504,385.50 : x
2. Step 2: Convert to fraction form
   326,548.50/504,385.50 = 504,385.50/x
3. Step 3: Cross multiply
   326,548.50x = 504,385.50 × 504,385.50
4. Step 4: Simplify right side
   326,548.50x = 254,404,732,610.25
5. Step 5: Solve for x
   x = 254,404,732,610.25/326,548.50
6. Step 6: Final answer
   x = 779,071.82