Finding the Third Proportional to 3,773.81 and 7,891.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.81 : 7,891.88 = 7,891.88 : x
2. Step 2: Convert to fraction form
   3,773.81/7,891.88 = 7,891.88/x
3. Step 3: Cross multiply
   3,773.81x = 7,891.88 × 7,891.88
4. Step 4: Simplify right side
   3,773.81x = 62,281,691.02
5. Step 5: Solve for x
   x = 62,281,691.02/3,773.81
6. Step 6: Final answer
   x = 16,503.65