Finding the Third Proportional to 13,626 and 20,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,626 : 20,641.50 = 20,641.50 : x
2. Step 2: Convert to fraction form
   13,626/20,641.50 = 20,641.50/x
3. Step 3: Cross multiply
   13,626x = 20,641.50 × 20,641.50
4. Step 4: Simplify right side
   13,626x = 426,071,522.25
5. Step 5: Solve for x
   x = 426,071,522.25/13,626
6. Step 6: Final answer
   x = 31,269.01