Finding the Third Proportional to 8,931 and 13,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,931 : 13,996.50 = 13,996.50 : x
2. Step 2: Convert to fraction form
   8,931/13,996.50 = 13,996.50/x
3. Step 3: Cross multiply
   8,931x = 13,996.50 × 13,996.50
4. Step 4: Simplify right side
   8,931x = 195,902,012.25
5. Step 5: Solve for x
   x = 195,902,012.25/8,931
6. Step 6: Final answer
   x = 21,935.06