Finding the Third Proportional to 107,312.50 and 223,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,312.50 : 223,456.50 = 223,456.50 : x
2. Step 2: Convert to fraction form
   107,312.50/223,456.50 = 223,456.50/x
3. Step 3: Cross multiply
   107,312.50x = 223,456.50 × 223,456.50
4. Step 4: Simplify right side
   107,312.50x = 49,932,807,392.25
5. Step 5: Solve for x
   x = 49,932,807,392.25/107,312.50
6. Step 6: Final answer
   x = 465,302.81