Finding the Third Proportional to 5,312 and 10,810

Step by Step Solution

1. Step 1: Write the proportion equation
   5,312 : 10,810 = 10,810 : x
2. Step 2: Convert to fraction form
   5,312/10,810 = 10,810/x
3. Step 3: Cross multiply
   5,312x = 10,810 × 10,810
4. Step 4: Simplify right side
   5,312x = 116,856,100
5. Step 5: Solve for x
   x = 116,856,100/5,312
6. Step 6: Final answer
   x = 21,998.51