Finding the Third Proportional to 65,498.63 and 140,335.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,498.63 : 140,335.88 = 140,335.88 : x
2. Step 2: Convert to fraction form
   65,498.63/140,335.88 = 140,335.88/x
3. Step 3: Cross multiply
   65,498.63x = 140,335.88 × 140,335.88
4. Step 4: Simplify right side
   65,498.63x = 19,694,157,812.02
5. Step 5: Solve for x
   x = 19,694,157,812.02/65,498.63
6. Step 6: Final answer
   x = 300,680.48