Finding the Third Proportional to 3,651.89 and 7,994.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651.89 : 7,994.81 = 7,994.81 : x
2. Step 2: Convert to fraction form
   3,651.89/7,994.81 = 7,994.81/x
3. Step 3: Cross multiply
   3,651.89x = 7,994.81 × 7,994.81
4. Step 4: Simplify right side
   3,651.89x = 63,917,026.91
5. Step 5: Solve for x
   x = 63,917,026.91/3,651.89
6. Step 6: Final answer
   x = 17,502.45