Finding the Third Proportional to 10,047.38 and 21,429.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.38 : 21,429.56 = 21,429.56 : x
2. Step 2: Convert to fraction form
   10,047.38/21,429.56 = 21,429.56/x
3. Step 3: Cross multiply
   10,047.38x = 21,429.56 × 21,429.56
4. Step 4: Simplify right side
   10,047.38x = 459,226,148.94
5. Step 5: Solve for x
   x = 459,226,148.94/10,047.38
6. Step 6: Final answer
   x = 45,706.08