Finding the Third Proportional to 69,729.26 and 143,133.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729.26 : 143,133.89 = 143,133.89 : x
2. Step 2: Convert to fraction form
   69,729.26/143,133.89 = 143,133.89/x
3. Step 3: Cross multiply
   69,729.26x = 143,133.89 × 143,133.89
4. Step 4: Simplify right side
   69,729.26x = 20,487,310,645.45
5. Step 5: Solve for x
   x = 20,487,310,645.45/69,729.26
6. Step 6: Final answer
   x = 293,812.26