Finding the Third Proportional to 28,692 and 42,162.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,692 : 42,162.75 = 42,162.75 : x
2. Step 2: Convert to fraction form
   28,692/42,162.75 = 42,162.75/x
3. Step 3: Cross multiply
   28,692x = 42,162.75 × 42,162.75
4. Step 4: Simplify right side
   28,692x = 1,777,697,487.56
5. Step 5: Solve for x
   x = 1,777,697,487.56/28,692
6. Step 6: Final answer
   x = 61,957.95