Finding the Third Proportional to 13,989.94 and 21,486.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,989.94 : 21,486.38 = 21,486.38 : x
2. Step 2: Convert to fraction form
   13,989.94/21,486.38 = 21,486.38/x
3. Step 3: Cross multiply
   13,989.94x = 21,486.38 × 21,486.38
4. Step 4: Simplify right side
   13,989.94x = 461,664,310.64
5. Step 5: Solve for x
   x = 461,664,310.64/13,989.94
6. Step 6: Final answer
   x = 32,999.74