Finding the Third Proportional to 48,436 and 72,703

Step by Step Solution

1. Step 1: Write the proportion equation
   48,436 : 72,703 = 72,703 : x
2. Step 2: Convert to fraction form
   48,436/72,703 = 72,703/x
3. Step 3: Cross multiply
   48,436x = 72,703 × 72,703
4. Step 4: Simplify right side
   48,436x = 5,285,726,209
5. Step 5: Solve for x
   x = 5,285,726,209/48,436
6. Step 6: Final answer
   x = 109,128.05