Finding the Third Proportional to 27,021.38 and 55,378.13

Step by Step Solution

1. Step 1: Write the proportion equation
   27,021.38 : 55,378.13 = 55,378.13 : x
2. Step 2: Convert to fraction form
   27,021.38/55,378.13 = 55,378.13/x
3. Step 3: Cross multiply
   27,021.38x = 55,378.13 × 55,378.13
4. Step 4: Simplify right side
   27,021.38x = 3,066,736,728.52
5. Step 5: Solve for x
   x = 3,066,736,728.52/27,021.38
6. Step 6: Final answer
   x = 113,492.99