Finding the Third Proportional to 80,508.94 and 137,188.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,508.94 : 137,188.69 = 137,188.69 : x
2. Step 2: Convert to fraction form
   80,508.94/137,188.69 = 137,188.69/x
3. Step 3: Cross multiply
   80,508.94x = 137,188.69 × 137,188.69
4. Step 4: Simplify right side
   80,508.94x = 18,820,735,977.97
5. Step 5: Solve for x
   x = 18,820,735,977.97/80,508.94
6. Step 6: Final answer
   x = 233,772.01