Finding the Third Proportional to 350,796 and 501,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   350,796 : 501,559.50 = 501,559.50 : x
2. Step 2: Convert to fraction form
   350,796/501,559.50 = 501,559.50/x
3. Step 3: Cross multiply
   350,796x = 501,559.50 × 501,559.50
4. Step 4: Simplify right side
   350,796x = 251,561,932,040.25
5. Step 5: Solve for x
   x = 251,561,932,040.25/350,796
6. Step 6: Final answer
   x = 717,117.45