Finding the Third Proportional to 335,850 and 709,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   335,850 : 709,603.50 = 709,603.50 : x
2. Step 2: Convert to fraction form
   335,850/709,603.50 = 709,603.50/x
3. Step 3: Cross multiply
   335,850x = 709,603.50 × 709,603.50
4. Step 4: Simplify right side
   335,850x = 503,537,127,212.25
5. Step 5: Solve for x
   x = 503,537,127,212.25/335,850
6. Step 6: Final answer
   x = 1,499,291.73