Finding the Third Proportional to 162,464 and 329,392

Step by Step Solution

1. Step 1: Write the proportion equation
   162,464 : 329,392 = 329,392 : x
2. Step 2: Convert to fraction form
   162,464/329,392 = 329,392/x
3. Step 3: Cross multiply
   162,464x = 329,392 × 329,392
4. Step 4: Simplify right side
   162,464x = 108,499,089,664
5. Step 5: Solve for x
   x = 108,499,089,664/162,464
6. Step 6: Final answer
   x = 667,834.66