Finding the Third Proportional to 59,135.06 and 91,821.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,135.06 : 91,821.09 = 91,821.09 : x
2. Step 2: Convert to fraction form
   59,135.06/91,821.09 = 91,821.09/x
3. Step 3: Cross multiply
   59,135.06x = 91,821.09 × 91,821.09
4. Step 4: Simplify right side
   59,135.06x = 8,431,113,257.45
5. Step 5: Solve for x
   x = 8,431,113,257.45/59,135.06
6. Step 6: Final answer
   x = 142,573.85