Finding the Third Proportional to 4,692 and 10,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,692 : 10,108.50 = 10,108.50 : x
2. Step 2: Convert to fraction form
   4,692/10,108.50 = 10,108.50/x
3. Step 3: Cross multiply
   4,692x = 10,108.50 × 10,108.50
4. Step 4: Simplify right side
   4,692x = 102,181,772.25
5. Step 5: Solve for x
   x = 102,181,772.25/4,692
6. Step 6: Final answer
   x = 21,777.87