Finding the Third Proportional to 143,878.50 and 293,469

Step by Step Solution

1. Step 1: Write the proportion equation
   143,878.50 : 293,469 = 293,469 : x
2. Step 2: Convert to fraction form
   143,878.50/293,469 = 293,469/x
3. Step 3: Cross multiply
   143,878.50x = 293,469 × 293,469
4. Step 4: Simplify right side
   143,878.50x = 86,124,053,961
5. Step 5: Solve for x
   x = 86,124,053,961/143,878.50
6. Step 6: Final answer
   x = 598,588.77