Finding the Third Proportional to 149,388 and 323,892

Step by Step Solution

1. Step 1: Write the proportion equation
   149,388 : 323,892 = 323,892 : x
2. Step 2: Convert to fraction form
   149,388/323,892 = 323,892/x
3. Step 3: Cross multiply
   149,388x = 323,892 × 323,892
4. Step 4: Simplify right side
   149,388x = 104,906,027,664
5. Step 5: Solve for x
   x = 104,906,027,664/149,388
6. Step 6: Final answer
   x = 702,238.65