Finding the Third Proportional to 54,658 and 73,858

Step by Step Solution

1. Step 1: Write the proportion equation
   54,658 : 73,858 = 73,858 : x
2. Step 2: Convert to fraction form
   54,658/73,858 = 73,858/x
3. Step 3: Cross multiply
   54,658x = 73,858 × 73,858
4. Step 4: Simplify right side
   54,658x = 5,455,004,164
5. Step 5: Solve for x
   x = 5,455,004,164/54,658
6. Step 6: Final answer
   x = 99,802.48