Finding the Third Proportional to 140,080 and 323,956

Step by Step Solution

1. Step 1: Write the proportion equation
   140,080 : 323,956 = 323,956 : x
2. Step 2: Convert to fraction form
   140,080/323,956 = 323,956/x
3. Step 3: Cross multiply
   140,080x = 323,956 × 323,956
4. Step 4: Simplify right side
   140,080x = 104,947,489,936
5. Step 5: Solve for x
   x = 104,947,489,936/140,080
6. Step 6: Final answer
   x = 749,196.82