Finding the Third Proportional to 21,189 and 45,118

Step by Step Solution

1. Step 1: Write the proportion equation
   21,189 : 45,118 = 45,118 : x
2. Step 2: Convert to fraction form
   21,189/45,118 = 45,118/x
3. Step 3: Cross multiply
   21,189x = 45,118 × 45,118
4. Step 4: Simplify right side
   21,189x = 2,035,633,924
5. Step 5: Solve for x
   x = 2,035,633,924/21,189
6. Step 6: Final answer
   x = 96,070.32