Finding the Third Proportional to 89,849.25 and 133,999.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,849.25 : 133,999.31 = 133,999.31 : x
2. Step 2: Convert to fraction form
   89,849.25/133,999.31 = 133,999.31/x
3. Step 3: Cross multiply
   89,849.25x = 133,999.31 × 133,999.31
4. Step 4: Simplify right side
   89,849.25x = 17,955,815,750.47
5. Step 5: Solve for x
   x = 17,955,815,750.47/89,849.25
6. Step 6: Final answer
   x = 199,843.80