Finding the Third Proportional to 155,554 and 341,240

Step by Step Solution

1. Step 1: Write the proportion equation
   155,554 : 341,240 = 341,240 : x
2. Step 2: Convert to fraction form
   155,554/341,240 = 341,240/x
3. Step 3: Cross multiply
   155,554x = 341,240 × 341,240
4. Step 4: Simplify right side
   155,554x = 116,444,737,600
5. Step 5: Solve for x
   x = 116,444,737,600/155,554
6. Step 6: Final answer
   x = 748,580.80