Finding the Third Proportional to 140,156 and 329,037

Step by Step Solution

1. Step 1: Write the proportion equation
   140,156 : 329,037 = 329,037 : x
2. Step 2: Convert to fraction form
   140,156/329,037 = 329,037/x
3. Step 3: Cross multiply
   140,156x = 329,037 × 329,037
4. Step 4: Simplify right side
   140,156x = 108,265,347,369
5. Step 5: Solve for x
   x = 108,265,347,369/140,156
6. Step 6: Final answer
   x = 772,463.17