Finding the Third Proportional to 73,979 and 159,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,979 : 159,782.50 = 159,782.50 : x
2. Step 2: Convert to fraction form
   73,979/159,782.50 = 159,782.50/x
3. Step 3: Cross multiply
   73,979x = 159,782.50 × 159,782.50
4. Step 4: Simplify right side
   73,979x = 25,530,447,306.25
5. Step 5: Solve for x
   x = 25,530,447,306.25/73,979
6. Step 6: Final answer
   x = 345,103.98