Finding the Third Proportional to 25,358.63 and 39,418.88

Step by Step Solution

1. Step 1: Write the proportion equation
   25,358.63 : 39,418.88 = 39,418.88 : x
2. Step 2: Convert to fraction form
   25,358.63/39,418.88 = 39,418.88/x
3. Step 3: Cross multiply
   25,358.63x = 39,418.88 × 39,418.88
4. Step 4: Simplify right side
   25,358.63x = 1,553,847,706.27
5. Step 5: Solve for x
   x = 1,553,847,706.27/25,358.63
6. Step 6: Final answer
   x = 61,274.92