Finding the Third Proportional to 250,270 and 387,846

Step by Step Solution

1. Step 1: Write the proportion equation
   250,270 : 387,846 = 387,846 : x
2. Step 2: Convert to fraction form
   250,270/387,846 = 387,846/x
3. Step 3: Cross multiply
   250,270x = 387,846 × 387,846
4. Step 4: Simplify right side
   250,270x = 150,424,519,716
5. Step 5: Solve for x
   x = 150,424,519,716/250,270
6. Step 6: Final answer
   x = 601,048.95