Finding the Third Proportional to 18,100.13 and 27,703.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,100.13 : 27,703.69 = 27,703.69 : x
2. Step 2: Convert to fraction form
   18,100.13/27,703.69 = 27,703.69/x
3. Step 3: Cross multiply
   18,100.13x = 27,703.69 × 27,703.69
4. Step 4: Simplify right side
   18,100.13x = 767,494,301.10
5. Step 5: Solve for x
   x = 767,494,301.10/18,100.13
6. Step 6: Final answer
   x = 42,402.71