Finding the Third Proportional to 34,054.31 and 74,239.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,054.31 : 74,239.31 = 74,239.31 : x
2. Step 2: Convert to fraction form
   34,054.31/74,239.31 = 74,239.31/x
3. Step 3: Cross multiply
   34,054.31x = 74,239.31 × 74,239.31
4. Step 4: Simplify right side
   34,054.31x = 5,511,475,520.47
5. Step 5: Solve for x
   x = 5,511,475,520.47/34,054.31
6. Step 6: Final answer
   x = 161,843.69