Finding the Third Proportional to 18,138.88 and 27,482.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,138.88 : 27,482.13 = 27,482.13 : x
2. Step 2: Convert to fraction form
   18,138.88/27,482.13 = 27,482.13/x
3. Step 3: Cross multiply
   18,138.88x = 27,482.13 × 27,482.13
4. Step 4: Simplify right side
   18,138.88x = 755,267,194.52
5. Step 5: Solve for x
   x = 755,267,194.52/18,138.88
6. Step 6: Final answer
   x = 41,638.04