Finding the Third Proportional to 123,809.06 and 196,947.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,809.06 : 196,947.56 = 196,947.56 : x
2. Step 2: Convert to fraction form
   123,809.06/196,947.56 = 196,947.56/x
3. Step 3: Cross multiply
   123,809.06x = 196,947.56 × 196,947.56
4. Step 4: Simplify right side
   123,809.06x = 38,788,342,374.69
5. Step 5: Solve for x
   x = 38,788,342,374.69/123,809.06
6. Step 6: Final answer
   x = 313,291.62