Finding the Third Proportional to 12,969 and 21,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969 : 21,901.50 = 21,901.50 : x
2. Step 2: Convert to fraction form
   12,969/21,901.50 = 21,901.50/x
3. Step 3: Cross multiply
   12,969x = 21,901.50 × 21,901.50
4. Step 4: Simplify right side
   12,969x = 479,675,702.25
5. Step 5: Solve for x
   x = 479,675,702.25/12,969
6. Step 6: Final answer
   x = 36,986.33