Finding the Third Proportional to 9,307.88 and 20,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307.88 : 20,458.50 = 20,458.50 : x
2. Step 2: Convert to fraction form
   9,307.88/20,458.50 = 20,458.50/x
3. Step 3: Cross multiply
   9,307.88x = 20,458.50 × 20,458.50
4. Step 4: Simplify right side
   9,307.88x = 418,550,222.25
5. Step 5: Solve for x
   x = 418,550,222.25/9,307.88
6. Step 6: Final answer
   x = 44,967.32