Finding the Third Proportional to 5,031.10 and 10,890.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,031.10 : 10,890.86 = 10,890.86 : x
2. Step 2: Convert to fraction form
   5,031.10/10,890.86 = 10,890.86/x
3. Step 3: Cross multiply
   5,031.10x = 10,890.86 × 10,890.86
4. Step 4: Simplify right side
   5,031.10x = 118,610,860.47
5. Step 5: Solve for x
   x = 118,610,860.47/5,031.10
6. Step 6: Final answer
   x = 23,575.55