Finding the Third Proportional to 80,746.31 and 123,944.63

Step by Step Solution

1. Step 1: Write the proportion equation
   80,746.31 : 123,944.63 = 123,944.63 : x
2. Step 2: Convert to fraction form
   80,746.31/123,944.63 = 123,944.63/x
3. Step 3: Cross multiply
   80,746.31x = 123,944.63 × 123,944.63
4. Step 4: Simplify right side
   80,746.31x = 15,362,270,066.39
5. Step 5: Solve for x
   x = 15,362,270,066.39/80,746.31
6. Step 6: Final answer
   x = 190,253.52