Finding the Third Proportional to 54,173 and 71,900

Step by Step Solution

1. Step 1: Write the proportion equation
   54,173 : 71,900 = 71,900 : x
2. Step 2: Convert to fraction form
   54,173/71,900 = 71,900/x
3. Step 3: Cross multiply
   54,173x = 71,900 × 71,900
4. Step 4: Simplify right side
   54,173x = 5,169,610,000
5. Step 5: Solve for x
   x = 5,169,610,000/54,173
6. Step 6: Final answer
   x = 95,427.80