Finding the Third Proportional to 5,072 and 10,432

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072 : 10,432 = 10,432 : x
2. Step 2: Convert to fraction form
   5,072/10,432 = 10,432/x
3. Step 3: Cross multiply
   5,072x = 10,432 × 10,432
4. Step 4: Simplify right side
   5,072x = 108,826,624
5. Step 5: Solve for x
   x = 108,826,624/5,072
6. Step 6: Final answer
   x = 21,456.35