Finding the Third Proportional to 13,986.50 and 21,114.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,986.50 : 21,114.75 = 21,114.75 : x
2. Step 2: Convert to fraction form
   13,986.50/21,114.75 = 21,114.75/x
3. Step 3: Cross multiply
   13,986.50x = 21,114.75 × 21,114.75
4. Step 4: Simplify right side
   13,986.50x = 445,832,667.56
5. Step 5: Solve for x
   x = 445,832,667.56/13,986.50
6. Step 6: Final answer
   x = 31,875.93