Finding the Third Proportional to 22,200 and 31,228.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,200 : 31,228.88 = 31,228.88 : x
2. Step 2: Convert to fraction form
   22,200/31,228.88 = 31,228.88/x
3. Step 3: Cross multiply
   22,200x = 31,228.88 × 31,228.88
4. Step 4: Simplify right side
   22,200x = 975,242,633.77
5. Step 5: Solve for x
   x = 975,242,633.77/22,200
6. Step 6: Final answer
   x = 43,929.85