Finding the Third Proportional to 155,056 and 245,928

Step by Step Solution

1. Step 1: Write the proportion equation
   155,056 : 245,928 = 245,928 : x
2. Step 2: Convert to fraction form
   155,056/245,928 = 245,928/x
3. Step 3: Cross multiply
   155,056x = 245,928 × 245,928
4. Step 4: Simplify right side
   155,056x = 60,480,581,184
5. Step 5: Solve for x
   x = 60,480,581,184/155,056
6. Step 6: Final answer
   x = 390,056.37