Finding the Third Proportional to 21,465 and 28,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,465 : 28,293.50 = 28,293.50 : x
2. Step 2: Convert to fraction form
   21,465/28,293.50 = 28,293.50/x
3. Step 3: Cross multiply
   21,465x = 28,293.50 × 28,293.50
4. Step 4: Simplify right side
   21,465x = 800,522,142.25
5. Step 5: Solve for x
   x = 800,522,142.25/21,465
6. Step 6: Final answer
   x = 37,294.30