Finding the Third Proportional to 5,087.81 and 7,763.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.81 : 7,763.34 = 7,763.34 : x
2. Step 2: Convert to fraction form
   5,087.81/7,763.34 = 7,763.34/x
3. Step 3: Cross multiply
   5,087.81x = 7,763.34 × 7,763.34
4. Step 4: Simplify right side
   5,087.81x = 60,269,506.18
5. Step 5: Solve for x
   x = 60,269,506.18/5,087.81
6. Step 6: Final answer
   x = 11,845.86