Finding the Third Proportional to 5,431.50 and 10,053

Step by Step Solution

1. Step 1: Write the proportion equation
   5,431.50 : 10,053 = 10,053 : x
2. Step 2: Convert to fraction form
   5,431.50/10,053 = 10,053/x
3. Step 3: Cross multiply
   5,431.50x = 10,053 × 10,053
4. Step 4: Simplify right side
   5,431.50x = 101,062,809
5. Step 5: Solve for x
   x = 101,062,809/5,431.50
6. Step 6: Final answer
   x = 18,606.80