Finding the Third Proportional to 72,488 and 149,950

Step by Step Solution

1. Step 1: Write the proportion equation
   72,488 : 149,950 = 149,950 : x
2. Step 2: Convert to fraction form
   72,488/149,950 = 149,950/x
3. Step 3: Cross multiply
   72,488x = 149,950 × 149,950
4. Step 4: Simplify right side
   72,488x = 22,485,002,500
5. Step 5: Solve for x
   x = 22,485,002,500/72,488
6. Step 6: Final answer
   x = 310,189.31