Finding the Third Proportional to 8,603.72 and 13,046.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,603.72 : 13,046.06 = 13,046.06 : x
2. Step 2: Convert to fraction form
   8,603.72/13,046.06 = 13,046.06/x
3. Step 3: Cross multiply
   8,603.72x = 13,046.06 × 13,046.06
4. Step 4: Simplify right side
   8,603.72x = 170,199,746.75
5. Step 5: Solve for x
   x = 170,199,746.75/8,603.72
6. Step 6: Final answer
   x = 19,782.11