Finding the Third Proportional to 81,975.66 and 123,039.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,975.66 : 123,039.56 = 123,039.56 : x
2. Step 2: Convert to fraction form
   81,975.66/123,039.56 = 123,039.56/x
3. Step 3: Cross multiply
   81,975.66x = 123,039.56 × 123,039.56
4. Step 4: Simplify right side
   81,975.66x = 15,138,733,940.19
5. Step 5: Solve for x
   x = 15,138,733,940.19/81,975.66
6. Step 6: Final answer
   x = 184,673.53