Finding the Third Proportional to 4,817.81 and 7,479.84

Step by Step Solution

1. Step 1: Write the proportion equation
   4,817.81 : 7,479.84 = 7,479.84 : x
2. Step 2: Convert to fraction form
   4,817.81/7,479.84 = 7,479.84/x
3. Step 3: Cross multiply
   4,817.81x = 7,479.84 × 7,479.84
4. Step 4: Simplify right side
   4,817.81x = 55,948,062.52
5. Step 5: Solve for x
   x = 55,948,062.52/4,817.81
6. Step 6: Final answer
   x = 11,612.75