Finding the Third Proportional to 155,590 and 341,300

Step by Step Solution

1. Step 1: Write the proportion equation
   155,590 : 341,300 = 341,300 : x
2. Step 2: Convert to fraction form
   155,590/341,300 = 341,300/x
3. Step 3: Cross multiply
   155,590x = 341,300 × 341,300
4. Step 4: Simplify right side
   155,590x = 116,485,690,000
5. Step 5: Solve for x
   x = 116,485,690,000/155,590
6. Step 6: Final answer
   x = 748,670.80