Finding the Third Proportional to 48,918.94 and 74,221.31

Step by Step Solution

1. Step 1: Write the proportion equation
   48,918.94 : 74,221.31 = 74,221.31 : x
2. Step 2: Convert to fraction form
   48,918.94/74,221.31 = 74,221.31/x
3. Step 3: Cross multiply
   48,918.94x = 74,221.31 × 74,221.31
4. Step 4: Simplify right side
   48,918.94x = 5,508,803,229.22
5. Step 5: Solve for x
   x = 5,508,803,229.22/48,918.94
6. Step 6: Final answer
   x = 112,610.85