Finding the Third Proportional to 25,388.50 and 39,470

Step by Step Solution

1. Step 1: Write the proportion equation
   25,388.50 : 39,470 = 39,470 : x
2. Step 2: Convert to fraction form
   25,388.50/39,470 = 39,470/x
3. Step 3: Cross multiply
   25,388.50x = 39,470 × 39,470
4. Step 4: Simplify right side
   25,388.50x = 1,557,880,900
5. Step 5: Solve for x
   x = 1,557,880,900/25,388.50
6. Step 6: Final answer
   x = 61,361.68