Finding the Third Proportional to 42,106 and 60,831

Step by Step Solution

1. Step 1: Write the proportion equation
   42,106 : 60,831 = 60,831 : x
2. Step 2: Convert to fraction form
   42,106/60,831 = 60,831/x
3. Step 3: Cross multiply
   42,106x = 60,831 × 60,831
4. Step 4: Simplify right side
   42,106x = 3,700,410,561
5. Step 5: Solve for x
   x = 3,700,410,561/42,106
6. Step 6: Final answer
   x = 87,883.21