Finding the Third Proportional to 210,426.75 and 451,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,426.75 : 451,003.50 = 451,003.50 : x
2. Step 2: Convert to fraction form
   210,426.75/451,003.50 = 451,003.50/x
3. Step 3: Cross multiply
   210,426.75x = 451,003.50 × 451,003.50
4. Step 4: Simplify right side
   210,426.75x = 203,404,157,012.25
5. Step 5: Solve for x
   x = 203,404,157,012.25/210,426.75
6. Step 6: Final answer
   x = 966,626.90