Finding the Third Proportional to 10,839 and 16,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839 : 16,528.50 = 16,528.50 : x
2. Step 2: Convert to fraction form
   10,839/16,528.50 = 16,528.50/x
3. Step 3: Cross multiply
   10,839x = 16,528.50 × 16,528.50
4. Step 4: Simplify right side
   10,839x = 273,191,312.25
5. Step 5: Solve for x
   x = 273,191,312.25/10,839
6. Step 6: Final answer
   x = 25,204.48