Finding the Third Proportional to 2,312.16 and 5,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.16 : 5,084.72 = 5,084.72 : x
2. Step 2: Convert to fraction form
   2,312.16/5,084.72 = 5,084.72/x
3. Step 3: Cross multiply
   2,312.16x = 5,084.72 × 5,084.72
4. Step 4: Simplify right side
   2,312.16x = 25,854,364.77
5. Step 5: Solve for x
   x = 25,854,364.77/2,312.16
6. Step 6: Final answer
   x = 11,181.93