Finding the Third Proportional to 132,976.69 and 199,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,976.69 : 199,601.72 = 199,601.72 : x
2. Step 2: Convert to fraction form
   132,976.69/199,601.72 = 199,601.72/x
3. Step 3: Cross multiply
   132,976.69x = 199,601.72 × 199,601.72
4. Step 4: Simplify right side
   132,976.69x = 39,840,846,127.95
5. Step 5: Solve for x
   x = 39,840,846,127.95/132,976.69
6. Step 6: Final answer
   x = 299,607.75