Finding the Third Proportional to 9,906.75 and 21,650.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.75 : 21,650.91 = 21,650.91 : x
2. Step 2: Convert to fraction form
   9,906.75/21,650.91 = 21,650.91/x
3. Step 3: Cross multiply
   9,906.75x = 21,650.91 × 21,650.91
4. Step 4: Simplify right side
   9,906.75x = 468,761,741.45
5. Step 5: Solve for x
   x = 468,761,741.45/9,906.75
6. Step 6: Final answer
   x = 47,317.41