Finding the Third Proportional to 3,612.50 and 7,763.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.50 : 7,763.88 = 7,763.88 : x
2. Step 2: Convert to fraction form
   3,612.50/7,763.88 = 7,763.88/x
3. Step 3: Cross multiply
   3,612.50x = 7,763.88 × 7,763.88
4. Step 4: Simplify right side
   3,612.50x = 60,277,755.02
5. Step 5: Solve for x
   x = 60,277,755.02/3,612.50
6. Step 6: Final answer
   x = 16,685.88