Finding the Third Proportional to 2,991.94 and 7,774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.94 : 7,774.10 = 7,774.10 : x
2. Step 2: Convert to fraction form
   2,991.94/7,774.10 = 7,774.10/x
3. Step 3: Cross multiply
   2,991.94x = 7,774.10 × 7,774.10
4. Step 4: Simplify right side
   2,991.94x = 60,436,655.10
5. Step 5: Solve for x
   x = 60,436,655.10/2,991.94
6. Step 6: Final answer
   x = 20,199.84