Finding the Third Proportional to 140,510.25 and 214,263

Step by Step Solution

1. Step 1: Write the proportion equation
   140,510.25 : 214,263 = 214,263 : x
2. Step 2: Convert to fraction form
   140,510.25/214,263 = 214,263/x
3. Step 3: Cross multiply
   140,510.25x = 214,263 × 214,263
4. Step 4: Simplify right side
   140,510.25x = 45,908,633,169
5. Step 5: Solve for x
   x = 45,908,633,169/140,510.25
6. Step 6: Final answer
   x = 326,728.00