Finding the Third Proportional to 337,900.50 and 472,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,900.50 : 472,405.50 = 472,405.50 : x
2. Step 2: Convert to fraction form
   337,900.50/472,405.50 = 472,405.50/x
3. Step 3: Cross multiply
   337,900.50x = 472,405.50 × 472,405.50
4. Step 4: Simplify right side
   337,900.50x = 223,166,956,430.25
5. Step 5: Solve for x
   x = 223,166,956,430.25/337,900.50
6. Step 6: Final answer
   x = 660,451.69