Finding the Third Proportional to 144,759 and 223,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   144,759 : 223,700.25 = 223,700.25 : x
2. Step 2: Convert to fraction form
   144,759/223,700.25 = 223,700.25/x
3. Step 3: Cross multiply
   144,759x = 223,700.25 × 223,700.25
4. Step 4: Simplify right side
   144,759x = 50,041,801,850.06
5. Step 5: Solve for x
   x = 50,041,801,850.06/144,759
6. Step 6: Final answer
   x = 345,690.44