Finding the Third Proportional to 142,340 and 329,482

Step by Step Solution

1. Step 1: Write the proportion equation
   142,340 : 329,482 = 329,482 : x
2. Step 2: Convert to fraction form
   142,340/329,482 = 329,482/x
3. Step 3: Cross multiply
   142,340x = 329,482 × 329,482
4. Step 4: Simplify right side
   142,340x = 108,558,388,324
5. Step 5: Solve for x
   x = 108,558,388,324/142,340
6. Step 6: Final answer
   x = 762,669.58