Finding the Third Proportional to 214,078.50 and 333,371.25

Step by Step Solution

1. Step 1: Write the proportion equation
   214,078.50 : 333,371.25 = 333,371.25 : x
2. Step 2: Convert to fraction form
   214,078.50/333,371.25 = 333,371.25/x
3. Step 3: Cross multiply
   214,078.50x = 333,371.25 × 333,371.25
4. Step 4: Simplify right side
   214,078.50x = 111,136,390,326.56
5. Step 5: Solve for x
   x = 111,136,390,326.56/214,078.50
6. Step 6: Final answer
   x = 519,138.50