Finding the Third Proportional to 155,288 and 334,350

Step by Step Solution

1. Step 1: Write the proportion equation
   155,288 : 334,350 = 334,350 : x
2. Step 2: Convert to fraction form
   155,288/334,350 = 334,350/x
3. Step 3: Cross multiply
   155,288x = 334,350 × 334,350
4. Step 4: Simplify right side
   155,288x = 111,789,922,500
5. Step 5: Solve for x
   x = 111,789,922,500/155,288
6. Step 6: Final answer
   x = 719,887.71