Finding the Third Proportional to 54,089.72 and 118,558.69

Step by Step Solution

1. Step 1: Write the proportion equation
   54,089.72 : 118,558.69 = 118,558.69 : x
2. Step 2: Convert to fraction form
   54,089.72/118,558.69 = 118,558.69/x
3. Step 3: Cross multiply
   54,089.72x = 118,558.69 × 118,558.69
4. Step 4: Simplify right side
   54,089.72x = 14,056,162,381.72
5. Step 5: Solve for x
   x = 14,056,162,381.72/54,089.72
6. Step 6: Final answer
   x = 259,867.54