Finding the Third Proportional to 143,404 and 296,015

Step by Step Solution

1. Step 1: Write the proportion equation
   143,404 : 296,015 = 296,015 : x
2. Step 2: Convert to fraction form
   143,404/296,015 = 296,015/x
3. Step 3: Cross multiply
   143,404x = 296,015 × 296,015
4. Step 4: Simplify right side
   143,404x = 87,624,880,225
5. Step 5: Solve for x
   x = 87,624,880,225/143,404
6. Step 6: Final answer
   x = 611,035.12