Finding the Third Proportional to 21,218 and 45,927

Step by Step Solution

1. Step 1: Write the proportion equation
   21,218 : 45,927 = 45,927 : x
2. Step 2: Convert to fraction form
   21,218/45,927 = 45,927/x
3. Step 3: Cross multiply
   21,218x = 45,927 × 45,927
4. Step 4: Simplify right side
   21,218x = 2,109,289,329
5. Step 5: Solve for x
   x = 2,109,289,329/21,218
6. Step 6: Final answer
   x = 99,410.37