Finding the Third Proportional to 4,910.63 and 8,105.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,910.63 : 8,105.06 = 8,105.06 : x
2. Step 2: Convert to fraction form
   4,910.63/8,105.06 = 8,105.06/x
3. Step 3: Cross multiply
   4,910.63x = 8,105.06 × 8,105.06
4. Step 4: Simplify right side
   4,910.63x = 65,692,038.13
5. Step 5: Solve for x
   x = 65,692,038.13/4,910.63
6. Step 6: Final answer
   x = 13,377.53