Finding the Third Proportional to 22,078 and 45,128

Step by Step Solution

1. Step 1: Write the proportion equation
   22,078 : 45,128 = 45,128 : x
2. Step 2: Convert to fraction form
   22,078/45,128 = 45,128/x
3. Step 3: Cross multiply
   22,078x = 45,128 × 45,128
4. Step 4: Simplify right side
   22,078x = 2,036,536,384
5. Step 5: Solve for x
   x = 2,036,536,384/22,078
6. Step 6: Final answer
   x = 92,242.79