Finding the Third Proportional to 33,335.72 and 72,898.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,335.72 : 72,898.31 = 72,898.31 : x
2. Step 2: Convert to fraction form
   33,335.72/72,898.31 = 72,898.31/x
3. Step 3: Cross multiply
   33,335.72x = 72,898.31 × 72,898.31
4. Step 4: Simplify right side
   33,335.72x = 5,314,163,965.35
5. Step 5: Solve for x
   x = 5,314,163,965.35/33,335.72
6. Step 6: Final answer
   x = 159,413.51