Finding the Third Proportional to 25,390.50 and 38,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,390.50 : 38,680.50 = 38,680.50 : x
2. Step 2: Convert to fraction form
   25,390.50/38,680.50 = 38,680.50/x
3. Step 3: Cross multiply
   25,390.50x = 38,680.50 × 38,680.50
4. Step 4: Simplify right side
   25,390.50x = 1,496,181,080.25
5. Step 5: Solve for x
   x = 1,496,181,080.25/25,390.50
6. Step 6: Final answer
   x = 58,926.81