Finding the Third Proportional to 143,624 and 308,571

Step by Step Solution

1. Step 1: Write the proportion equation
   143,624 : 308,571 = 308,571 : x
2. Step 2: Convert to fraction form
   143,624/308,571 = 308,571/x
3. Step 3: Cross multiply
   143,624x = 308,571 × 308,571
4. Step 4: Simplify right side
   143,624x = 95,216,062,041
5. Step 5: Solve for x
   x = 95,216,062,041/143,624
6. Step 6: Final answer
   x = 662,953.70