Finding the Third Proportional to 10,625 and 28,906

Step by Step Solution

1. Step 1: Write the proportion equation
   10,625 : 28,906 = 28,906 : x
2. Step 2: Convert to fraction form
   10,625/28,906 = 28,906/x
3. Step 3: Cross multiply
   10,625x = 28,906 × 28,906
4. Step 4: Simplify right side
   10,625x = 835,556,836
5. Step 5: Solve for x
   x = 835,556,836/10,625
6. Step 6: Final answer
   x = 78,640.64