Finding the Third Proportional to 159,464 and 248,900

Step by Step Solution

1. Step 1: Write the proportion equation
   159,464 : 248,900 = 248,900 : x
2. Step 2: Convert to fraction form
   159,464/248,900 = 248,900/x
3. Step 3: Cross multiply
   159,464x = 248,900 × 248,900
4. Step 4: Simplify right side
   159,464x = 61,951,210,000
5. Step 5: Solve for x
   x = 61,951,210,000/159,464
6. Step 6: Final answer
   x = 388,496.53