Finding the Third Proportional to 21,118 and 45,188

Step by Step Solution

1. Step 1: Write the proportion equation
   21,118 : 45,188 = 45,188 : x
2. Step 2: Convert to fraction form
   21,118/45,188 = 45,188/x
3. Step 3: Cross multiply
   21,118x = 45,188 × 45,188
4. Step 4: Simplify right side
   21,118x = 2,041,955,344
5. Step 5: Solve for x
   x = 2,041,955,344/21,118
6. Step 6: Final answer
   x = 96,692.65