Finding the Third Proportional to 155,281 and 334,338

Step by Step Solution

1. Step 1: Write the proportion equation
   155,281 : 334,338 = 334,338 : x
2. Step 2: Convert to fraction form
   155,281/334,338 = 334,338/x
3. Step 3: Cross multiply
   155,281x = 334,338 × 334,338
4. Step 4: Simplify right side
   155,281x = 111,781,898,244
5. Step 5: Solve for x
   x = 111,781,898,244/155,281
6. Step 6: Final answer
   x = 719,868.49