Finding the Third Proportional to 10,209 and 16,043

Step by Step Solution

1. Step 1: Write the proportion equation
   10,209 : 16,043 = 16,043 : x
2. Step 2: Convert to fraction form
   10,209/16,043 = 16,043/x
3. Step 3: Cross multiply
   10,209x = 16,043 × 16,043
4. Step 4: Simplify right side
   10,209x = 257,377,849
5. Step 5: Solve for x
   x = 257,377,849/10,209
6. Step 6: Final answer
   x = 25,210.88