Finding the Third Proportional to 48,272.06 and 74,743.31

Step by Step Solution

1. Step 1: Write the proportion equation
   48,272.06 : 74,743.31 = 74,743.31 : x
2. Step 2: Convert to fraction form
   48,272.06/74,743.31 = 74,743.31/x
3. Step 3: Cross multiply
   48,272.06x = 74,743.31 × 74,743.31
4. Step 4: Simplify right side
   48,272.06x = 5,586,562,763.47
5. Step 5: Solve for x
   x = 5,586,562,763.47/48,272.06
6. Step 6: Final answer
   x = 115,730.77