Finding the Third Proportional to 15,130.50 and 21,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,130.50 : 21,826.50 = 21,826.50 : x
2. Step 2: Convert to fraction form
   15,130.50/21,826.50 = 21,826.50/x
3. Step 3: Cross multiply
   15,130.50x = 21,826.50 × 21,826.50
4. Step 4: Simplify right side
   15,130.50x = 476,396,102.25
5. Step 5: Solve for x
   x = 476,396,102.25/15,130.50
6. Step 6: Final answer
   x = 31,485.81