Finding the Third Proportional to 54,542 and 73,658

Step by Step Solution

1. Step 1: Write the proportion equation
   54,542 : 73,658 = 73,658 : x
2. Step 2: Convert to fraction form
   54,542/73,658 = 73,658/x
3. Step 3: Cross multiply
   54,542x = 73,658 × 73,658
4. Step 4: Simplify right side
   54,542x = 5,425,500,964
5. Step 5: Solve for x
   x = 5,425,500,964/54,542
6. Step 6: Final answer
   x = 99,473.82