Finding the Third Proportional to 21,432 and 46,672

Step by Step Solution

1. Step 1: Write the proportion equation
   21,432 : 46,672 = 46,672 : x
2. Step 2: Convert to fraction form
   21,432/46,672 = 46,672/x
3. Step 3: Cross multiply
   21,432x = 46,672 × 46,672
4. Step 4: Simplify right side
   21,432x = 2,178,275,584
5. Step 5: Solve for x
   x = 2,178,275,584/21,432
6. Step 6: Final answer
   x = 101,636.60