Finding the Third Proportional to 48,732 and 72,906

Step by Step Solution

1. Step 1: Write the proportion equation
   48,732 : 72,906 = 72,906 : x
2. Step 2: Convert to fraction form
   48,732/72,906 = 72,906/x
3. Step 3: Cross multiply
   48,732x = 72,906 × 72,906
4. Step 4: Simplify right side
   48,732x = 5,315,284,836
5. Step 5: Solve for x
   x = 5,315,284,836/48,732
6. Step 6: Final answer
   x = 109,071.76