Finding the Third Proportional to 213,411.50 and 446,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   213,411.50 : 446,425.50 = 446,425.50 : x
2. Step 2: Convert to fraction form
   213,411.50/446,425.50 = 446,425.50/x
3. Step 3: Cross multiply
   213,411.50x = 446,425.50 × 446,425.50
4. Step 4: Simplify right side
   213,411.50x = 199,295,727,050.25
5. Step 5: Solve for x
   x = 199,295,727,050.25/213,411.50
6. Step 6: Final answer
   x = 933,856.55