Finding the Third Proportional to 99,544.50 and 218,772

Step by Step Solution

1. Step 1: Write the proportion equation
   99,544.50 : 218,772 = 218,772 : x
2. Step 2: Convert to fraction form
   99,544.50/218,772 = 218,772/x
3. Step 3: Cross multiply
   99,544.50x = 218,772 × 218,772
4. Step 4: Simplify right side
   99,544.50x = 47,861,187,984
5. Step 5: Solve for x
   x = 47,861,187,984/99,544.50
6. Step 6: Final answer
   x = 480,801.93