Finding the Third Proportional to 54,042.35 and 76,984.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,042.35 : 76,984.25 = 76,984.25 : x
2. Step 2: Convert to fraction form
   54,042.35/76,984.25 = 76,984.25/x
3. Step 3: Cross multiply
   54,042.35x = 76,984.25 × 76,984.25
4. Step 4: Simplify right side
   54,042.35x = 5,926,574,898.42
5. Step 5: Solve for x
   x = 5,926,574,898.42/54,042.35
6. Step 6: Final answer
   x = 109,665.39