Finding the Third Proportional to 12,374 and 20,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374 : 20,403.50 = 20,403.50 : x
2. Step 2: Convert to fraction form
   12,374/20,403.50 = 20,403.50/x
3. Step 3: Cross multiply
   12,374x = 20,403.50 × 20,403.50
4. Step 4: Simplify right side
   12,374x = 416,302,812.25
5. Step 5: Solve for x
   x = 416,302,812.25/12,374
6. Step 6: Final answer
   x = 33,643.35