Finding the Third Proportional to 18,961.59 and 27,312.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,961.59 : 27,312.82 = 27,312.82 : x
2. Step 2: Convert to fraction form
   18,961.59/27,312.82 = 27,312.82/x
3. Step 3: Cross multiply
   18,961.59x = 27,312.82 × 27,312.82
4. Step 4: Simplify right side
   18,961.59x = 745,990,153.42
5. Step 5: Solve for x
   x = 745,990,153.42/18,961.59
6. Step 6: Final answer
   x = 39,342.17