Finding the Third Proportional to 3,677.91 and 7,112.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.91 : 7,112.81 = 7,112.81 : x
2. Step 2: Convert to fraction form
   3,677.91/7,112.81 = 7,112.81/x
3. Step 3: Cross multiply
   3,677.91x = 7,112.81 × 7,112.81
4. Step 4: Simplify right side
   3,677.91x = 50,592,101.66
5. Step 5: Solve for x
   x = 50,592,101.66/3,677.91
6. Step 6: Final answer
   x = 13,755.68