Finding the Third Proportional to 21,370 and 45,644

Step by Step Solution

1. Step 1: Write the proportion equation
   21,370 : 45,644 = 45,644 : x
2. Step 2: Convert to fraction form
   21,370/45,644 = 45,644/x
3. Step 3: Cross multiply
   21,370x = 45,644 × 45,644
4. Step 4: Simplify right side
   21,370x = 2,083,374,736
5. Step 5: Solve for x
   x = 2,083,374,736/21,370
6. Step 6: Final answer
   x = 97,490.63