Finding the Third Proportional to 159,468 and 248,906

Step by Step Solution

1. Step 1: Write the proportion equation
   159,468 : 248,906 = 248,906 : x
2. Step 2: Convert to fraction form
   159,468/248,906 = 248,906/x
3. Step 3: Cross multiply
   159,468x = 248,906 × 248,906
4. Step 4: Simplify right side
   159,468x = 61,954,196,836
5. Step 5: Solve for x
   x = 61,954,196,836/159,468
6. Step 6: Final answer
   x = 388,505.51