Finding the Third Proportional to 12,465 and 20,774.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465 : 20,774.25 = 20,774.25 : x
2. Step 2: Convert to fraction form
   12,465/20,774.25 = 20,774.25/x
3. Step 3: Cross multiply
   12,465x = 20,774.25 × 20,774.25
4. Step 4: Simplify right side
   12,465x = 431,569,463.06
5. Step 5: Solve for x
   x = 431,569,463.06/12,465
6. Step 6: Final answer
   x = 34,622.50