Finding the Third Proportional to 155,034 and 245,916

Step by Step Solution

1. Step 1: Write the proportion equation
   155,034 : 245,916 = 245,916 : x
2. Step 2: Convert to fraction form
   155,034/245,916 = 245,916/x
3. Step 3: Cross multiply
   155,034x = 245,916 × 245,916
4. Step 4: Simplify right side
   155,034x = 60,474,679,056
5. Step 5: Solve for x
   x = 60,474,679,056/155,034
6. Step 6: Final answer
   x = 390,073.66