Finding the Third Proportional to 5,087.81 and 7,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.81 : 7,793.72 = 7,793.72 : x
2. Step 2: Convert to fraction form
   5,087.81/7,793.72 = 7,793.72/x
3. Step 3: Cross multiply
   5,087.81x = 7,793.72 × 7,793.72
4. Step 4: Simplify right side
   5,087.81x = 60,742,051.95
5. Step 5: Solve for x
   x = 60,742,051.95/5,087.81
6. Step 6: Final answer
   x = 11,938.74