Finding the Third Proportional to 5,820.19 and 12,171.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.19 : 12,171.94 = 12,171.94 : x
2. Step 2: Convert to fraction form
   5,820.19/12,171.94 = 12,171.94/x
3. Step 3: Cross multiply
   5,820.19x = 12,171.94 × 12,171.94
4. Step 4: Simplify right side
   5,820.19x = 148,156,062.50
5. Step 5: Solve for x
   x = 148,156,062.50/5,820.19
6. Step 6: Final answer
   x = 25,455.55