Finding the Third Proportional to 3,423.88 and 4,892.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.88 : 4,892.81 = 4,892.81 : x
2. Step 2: Convert to fraction form
   3,423.88/4,892.81 = 4,892.81/x
3. Step 3: Cross multiply
   3,423.88x = 4,892.81 × 4,892.81
4. Step 4: Simplify right side
   3,423.88x = 23,939,614.16
5. Step 5: Solve for x
   x = 23,939,614.16/3,423.88
6. Step 6: Final answer
   x = 6,991.96