Finding the Third Proportional to 143,849 and 293,410

Step by Step Solution

1. Step 1: Write the proportion equation
   143,849 : 293,410 = 293,410 : x
2. Step 2: Convert to fraction form
   143,849/293,410 = 293,410/x
3. Step 3: Cross multiply
   143,849x = 293,410 × 293,410
4. Step 4: Simplify right side
   143,849x = 86,089,428,100
5. Step 5: Solve for x
   x = 86,089,428,100/143,849
6. Step 6: Final answer
   x = 598,470.81