Finding the Third Proportional to 65,498.94 and 140,335.35

Step by Step Solution

1. Step 1: Write the proportion equation
   65,498.94 : 140,335.35 = 140,335.35 : x
2. Step 2: Convert to fraction form
   65,498.94/140,335.35 = 140,335.35/x
3. Step 3: Cross multiply
   65,498.94x = 140,335.35 × 140,335.35
4. Step 4: Simplify right side
   65,498.94x = 19,694,009,801.80
5. Step 5: Solve for x
   x = 19,694,009,801.80/65,498.94
6. Step 6: Final answer
   x = 300,676.76