Finding the Third Proportional to 21,279 and 45,248

Step by Step Solution

1. Step 1: Write the proportion equation
   21,279 : 45,248 = 45,248 : x
2. Step 2: Convert to fraction form
   21,279/45,248 = 45,248/x
3. Step 3: Cross multiply
   21,279x = 45,248 × 45,248
4. Step 4: Simplify right side
   21,279x = 2,047,381,504
5. Step 5: Solve for x
   x = 2,047,381,504/21,279
6. Step 6: Final answer
   x = 96,216.06