Finding the Third Proportional to 69,066 and 143,040

Step by Step Solution

1. Step 1: Write the proportion equation
   69,066 : 143,040 = 143,040 : x
2. Step 2: Convert to fraction form
   69,066/143,040 = 143,040/x
3. Step 3: Cross multiply
   69,066x = 143,040 × 143,040
4. Step 4: Simplify right side
   69,066x = 20,460,441,600
5. Step 5: Solve for x
   x = 20,460,441,600/69,066
6. Step 6: Final answer
   x = 296,244.77