Finding the Third Proportional to 21,556.13 and 49,151.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,556.13 : 49,151.81 = 49,151.81 : x
2. Step 2: Convert to fraction form
   21,556.13/49,151.81 = 49,151.81/x
3. Step 3: Cross multiply
   21,556.13x = 49,151.81 × 49,151.81
4. Step 4: Simplify right side
   21,556.13x = 2,415,900,672.04
5. Step 5: Solve for x
   x = 2,415,900,672.04/21,556.13
6. Step 6: Final answer
   x = 112,074.91