Finding the Third Proportional to 155,075 and 245,958

Step by Step Solution

1. Step 1: Write the proportion equation
   155,075 : 245,958 = 245,958 : x
2. Step 2: Convert to fraction form
   155,075/245,958 = 245,958/x
3. Step 3: Cross multiply
   155,075x = 245,958 × 245,958
4. Step 4: Simplify right side
   155,075x = 60,495,337,764
5. Step 5: Solve for x
   x = 60,495,337,764/155,075
6. Step 6: Final answer
   x = 390,103.74