Finding the Third Proportional to 140,510.25 and 214,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,510.25 : 214,285.50 = 214,285.50 : x
2. Step 2: Convert to fraction form
   140,510.25/214,285.50 = 214,285.50/x
3. Step 3: Cross multiply
   140,510.25x = 214,285.50 × 214,285.50
4. Step 4: Simplify right side
   140,510.25x = 45,918,275,510.25
5. Step 5: Solve for x
   x = 45,918,275,510.25/140,510.25
6. Step 6: Final answer
   x = 326,796.63