Finding the Third Proportional to 25,408.69 and 38,902.78

Step by Step Solution

1. Step 1: Write the proportion equation
   25,408.69 : 38,902.78 = 38,902.78 : x
2. Step 2: Convert to fraction form
   25,408.69/38,902.78 = 38,902.78/x
3. Step 3: Cross multiply
   25,408.69x = 38,902.78 × 38,902.78
4. Step 4: Simplify right side
   25,408.69x = 1,513,426,388.99
5. Step 5: Solve for x
   x = 1,513,426,388.99/25,408.69
6. Step 6: Final answer
   x = 59,563.34