Finding the Third Proportional to 49,128.19 and 74,099.81

Step by Step Solution

1. Step 1: Write the proportion equation
   49,128.19 : 74,099.81 = 74,099.81 : x
2. Step 2: Convert to fraction form
   49,128.19/74,099.81 = 74,099.81/x
3. Step 3: Cross multiply
   49,128.19x = 74,099.81 × 74,099.81
4. Step 4: Simplify right side
   49,128.19x = 5,490,782,212.54
5. Step 5: Solve for x
   x = 5,490,782,212.54/49,128.19
6. Step 6: Final answer
   x = 111,764.40