Finding the Third Proportional to 155,118 and 340,710

Step by Step Solution

1. Step 1: Write the proportion equation
   155,118 : 340,710 = 340,710 : x
2. Step 2: Convert to fraction form
   155,118/340,710 = 340,710/x
3. Step 3: Cross multiply
   155,118x = 340,710 × 340,710
4. Step 4: Simplify right side
   155,118x = 116,083,304,100
5. Step 5: Solve for x
   x = 116,083,304,100/155,118
6. Step 6: Final answer
   x = 748,354.83