Finding the Third Proportional to 10,047.80 and 21,479.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.80 : 21,479.48 = 21,479.48 : x
2. Step 2: Convert to fraction form
   10,047.80/21,479.48 = 21,479.48/x
3. Step 3: Cross multiply
   10,047.80x = 21,479.48 × 21,479.48
4. Step 4: Simplify right side
   10,047.80x = 461,368,249.02
5. Step 5: Solve for x
   x = 461,368,249.02/10,047.80
6. Step 6: Final answer
   x = 45,917.35