Finding the Third Proportional to 21,340 and 45,422

Step by Step Solution

1. Step 1: Write the proportion equation
   21,340 : 45,422 = 45,422 : x
2. Step 2: Convert to fraction form
   21,340/45,422 = 45,422/x
3. Step 3: Cross multiply
   21,340x = 45,422 × 45,422
4. Step 4: Simplify right side
   21,340x = 2,063,158,084
5. Step 5: Solve for x
   x = 2,063,158,084/21,340
6. Step 6: Final answer
   x = 96,680.32