Finding the Third Proportional to 45,531 and 71,273.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,531 : 71,273.25 = 71,273.25 : x
2. Step 2: Convert to fraction form
   45,531/71,273.25 = 71,273.25/x
3. Step 3: Cross multiply
   45,531x = 71,273.25 × 71,273.25
4. Step 4: Simplify right side
   45,531x = 5,079,876,165.56
5. Step 5: Solve for x
   x = 5,079,876,165.56/45,531
6. Step 6: Final answer
   x = 111,569.62