Finding the Third Proportional to 80,747.81 and 123,946.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,747.81 : 123,946.69 = 123,946.69 : x
2. Step 2: Convert to fraction form
   80,747.81/123,946.69 = 123,946.69/x
3. Step 3: Cross multiply
   80,747.81x = 123,946.69 × 123,946.69
4. Step 4: Simplify right side
   80,747.81x = 15,362,781,342.22
5. Step 5: Solve for x
   x = 15,362,781,342.22/80,747.81
6. Step 6: Final answer
   x = 190,256.32