Finding the Third Proportional to 143,469 and 335,090.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,469 : 335,090.25 = 335,090.25 : x
2. Step 2: Convert to fraction form
   143,469/335,090.25 = 335,090.25/x
3. Step 3: Cross multiply
   143,469x = 335,090.25 × 335,090.25
4. Step 4: Simplify right side
   143,469x = 112,285,475,645.06
5. Step 5: Solve for x
   x = 112,285,475,645.06/143,469
6. Step 6: Final answer
   x = 782,646.26