Finding the Third Proportional to 9,900 and 22,012.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900 : 22,012.88 = 22,012.88 : x
2. Step 2: Convert to fraction form
   9,900/22,012.88 = 22,012.88/x
3. Step 3: Cross multiply
   9,900x = 22,012.88 × 22,012.88
4. Step 4: Simplify right side
   9,900x = 484,566,665.77
5. Step 5: Solve for x
   x = 484,566,665.77/9,900
6. Step 6: Final answer
   x = 48,946.13