Finding the Third Proportional to 159,165 and 248,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,165 : 248,434.50 = 248,434.50 : x
2. Step 2: Convert to fraction form
   159,165/248,434.50 = 248,434.50/x
3. Step 3: Cross multiply
   159,165x = 248,434.50 × 248,434.50
4. Step 4: Simplify right side
   159,165x = 61,719,700,790.25
5. Step 5: Solve for x
   x = 61,719,700,790.25/159,165
6. Step 6: Final answer
   x = 387,771.81