Finding the Third Proportional to 140,320 and 213,982

Step by Step Solution

1. Step 1: Write the proportion equation
   140,320 : 213,982 = 213,982 : x
2. Step 2: Convert to fraction form
   140,320/213,982 = 213,982/x
3. Step 3: Cross multiply
   140,320x = 213,982 × 213,982
4. Step 4: Simplify right side
   140,320x = 45,788,296,324
5. Step 5: Solve for x
   x = 45,788,296,324/140,320
6. Step 6: Final answer
   x = 326,313.40