Finding the Third Proportional to 56,757.38 and 121,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,757.38 : 121,665.38 = 121,665.38 : x
2. Step 2: Convert to fraction form
   56,757.38/121,665.38 = 121,665.38/x
3. Step 3: Cross multiply
   56,757.38x = 121,665.38 × 121,665.38
4. Step 4: Simplify right side
   56,757.38x = 14,802,463,473.89
5. Step 5: Solve for x
   x = 14,802,463,473.89/56,757.38
6. Step 6: Final answer
   x = 260,802.47