Finding the Third Proportional to 8,947.13 and 13,005.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947.13 : 13,005.56 = 13,005.56 : x
2. Step 2: Convert to fraction form
   8,947.13/13,005.56 = 13,005.56/x
3. Step 3: Cross multiply
   8,947.13x = 13,005.56 × 13,005.56
4. Step 4: Simplify right side
   8,947.13x = 169,144,655.94
5. Step 5: Solve for x
   x = 169,144,655.94/8,947.13
6. Step 6: Final answer
   x = 18,904.92