Finding the Third Proportional to 59,625.75 and 80,690.63

Step by Step Solution

1. Step 1: Write the proportion equation
   59,625.75 : 80,690.63 = 80,690.63 : x
2. Step 2: Convert to fraction form
   59,625.75/80,690.63 = 80,690.63/x
3. Step 3: Cross multiply
   59,625.75x = 80,690.63 × 80,690.63
4. Step 4: Simplify right side
   59,625.75x = 6,510,976,962.89
5. Step 5: Solve for x
   x = 6,510,976,962.89/59,625.75
6. Step 6: Final answer
   x = 109,197.40