Finding the Third Proportional to 21,279.38 and 45,248.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,279.38 : 45,248.63 = 45,248.63 : x
2. Step 2: Convert to fraction form
   21,279.38/45,248.63 = 45,248.63/x
3. Step 3: Cross multiply
   21,279.38x = 45,248.63 × 45,248.63
4. Step 4: Simplify right side
   21,279.38x = 2,047,438,064.39
5. Step 5: Solve for x
   x = 2,047,438,064.39/21,279.38
6. Step 6: Final answer
   x = 96,217.02