Finding the Third Proportional to 155,456 and 334,698

Step by Step Solution

1. Step 1: Write the proportion equation
   155,456 : 334,698 = 334,698 : x
2. Step 2: Convert to fraction form
   155,456/334,698 = 334,698/x
3. Step 3: Cross multiply
   155,456x = 334,698 × 334,698
4. Step 4: Simplify right side
   155,456x = 112,022,751,204
5. Step 5: Solve for x
   x = 112,022,751,204/155,456
6. Step 6: Final answer
   x = 720,607.45