Finding the Third Proportional to 9,355 and 20,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355 : 20,468.50 = 20,468.50 : x
2. Step 2: Convert to fraction form
   9,355/20,468.50 = 20,468.50/x
3. Step 3: Cross multiply
   9,355x = 20,468.50 × 20,468.50
4. Step 4: Simplify right side
   9,355x = 418,959,492.25
5. Step 5: Solve for x
   x = 418,959,492.25/9,355
6. Step 6: Final answer
   x = 44,784.55