Finding the Third Proportional to 21,431.25 and 47,013.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,431.25 : 47,013.38 = 47,013.38 : x
2. Step 2: Convert to fraction form
   21,431.25/47,013.38 = 47,013.38/x
3. Step 3: Cross multiply
   21,431.25x = 47,013.38 × 47,013.38
4. Step 4: Simplify right side
   21,431.25x = 2,210,257,428.89
5. Step 5: Solve for x
   x = 2,210,257,428.89/21,431.25
6. Step 6: Final answer
   x = 103,132.46