Finding the Third Proportional to 5,562 and 10,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,562 : 10,820.25 = 10,820.25 : x
2. Step 2: Convert to fraction form
   5,562/10,820.25 = 10,820.25/x
3. Step 3: Cross multiply
   5,562x = 10,820.25 × 10,820.25
4. Step 4: Simplify right side
   5,562x = 117,077,810.06
5. Step 5: Solve for x
   x = 117,077,810.06/5,562
6. Step 6: Final answer
   x = 21,049.59