Finding the Third Proportional to 143,413 and 296,036

Step by Step Solution

1. Step 1: Write the proportion equation
   143,413 : 296,036 = 296,036 : x
2. Step 2: Convert to fraction form
   143,413/296,036 = 296,036/x
3. Step 3: Cross multiply
   143,413x = 296,036 × 296,036
4. Step 4: Simplify right side
   143,413x = 87,637,313,296
5. Step 5: Solve for x
   x = 87,637,313,296/143,413
6. Step 6: Final answer
   x = 611,083.47