Finding the Third Proportional to 4,787.16 and 7,279.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,787.16 : 7,279.59 = 7,279.59 : x
2. Step 2: Convert to fraction form
   4,787.16/7,279.59 = 7,279.59/x
3. Step 3: Cross multiply
   4,787.16x = 7,279.59 × 7,279.59
4. Step 4: Simplify right side
   4,787.16x = 52,992,485.17
5. Step 5: Solve for x
   x = 52,992,485.17/4,787.16
6. Step 6: Final answer
   x = 11,069.72