Finding the Third Proportional to 2,316.09 and 5,091.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.09 : 5,091.61 = 5,091.61 : x
2. Step 2: Convert to fraction form
   2,316.09/5,091.61 = 5,091.61/x
3. Step 3: Cross multiply
   2,316.09x = 5,091.61 × 5,091.61
4. Step 4: Simplify right side
   2,316.09x = 25,924,486.03
5. Step 5: Solve for x
   x = 25,924,486.03/2,316.09
6. Step 6: Final answer
   x = 11,193.19