Finding the Third Proportional to 90,326 and 140,314

Step by Step Solution

1. Step 1: Write the proportion equation
   90,326 : 140,314 = 140,314 : x
2. Step 2: Convert to fraction form
   90,326/140,314 = 140,314/x
3. Step 3: Cross multiply
   90,326x = 140,314 × 140,314
4. Step 4: Simplify right side
   90,326x = 19,688,018,596
5. Step 5: Solve for x
   x = 19,688,018,596/90,326
6. Step 6: Final answer
   x = 217,966.24