Finding the Third Proportional to 213,727.50 and 451,485

Step by Step Solution

1. Step 1: Write the proportion equation
   213,727.50 : 451,485 = 451,485 : x
2. Step 2: Convert to fraction form
   213,727.50/451,485 = 451,485/x
3. Step 3: Cross multiply
   213,727.50x = 451,485 × 451,485
4. Step 4: Simplify right side
   213,727.50x = 203,838,705,225
5. Step 5: Solve for x
   x = 203,838,705,225/213,727.50
6. Step 6: Final answer
   x = 953,731.76