Finding the Third Proportional to 9,054 and 13,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054 : 13,991.25 = 13,991.25 : x
2. Step 2: Convert to fraction form
   9,054/13,991.25 = 13,991.25/x
3. Step 3: Cross multiply
   9,054x = 13,991.25 × 13,991.25
4. Step 4: Simplify right side
   9,054x = 195,755,076.56
5. Step 5: Solve for x
   x = 195,755,076.56/9,054
6. Step 6: Final answer
   x = 21,620.84