Finding the Third Proportional to 9,377.72 and 20,498.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,377.72 : 20,498.06 = 20,498.06 : x
2. Step 2: Convert to fraction form
   9,377.72/20,498.06 = 20,498.06/x
3. Step 3: Cross multiply
   9,377.72x = 20,498.06 × 20,498.06
4. Step 4: Simplify right side
   9,377.72x = 420,170,566.25
5. Step 5: Solve for x
   x = 420,170,566.25/9,377.72
6. Step 6: Final answer
   x = 44,805.20