Finding the Third Proportional to 121,413 and 182,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   121,413 : 182,118.56 = 182,118.56 : x
2. Step 2: Convert to fraction form
   121,413/182,118.56 = 182,118.56/x
3. Step 3: Cross multiply
   121,413x = 182,118.56 × 182,118.56
4. Step 4: Simplify right side
   121,413x = 33,167,170,807.07
5. Step 5: Solve for x
   x = 33,167,170,807.07/121,413
6. Step 6: Final answer
   x = 273,176.44