Finding the Third Proportional to 9,468.56 and 20,089.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,468.56 : 20,089.69 = 20,089.69 : x
2. Step 2: Convert to fraction form
   9,468.56/20,089.69 = 20,089.69/x
3. Step 3: Cross multiply
   9,468.56x = 20,089.69 × 20,089.69
4. Step 4: Simplify right side
   9,468.56x = 403,595,543.85
5. Step 5: Solve for x
   x = 403,595,543.85/9,468.56
6. Step 6: Final answer
   x = 42,624.80