Finding the Third Proportional to 155,524.50 and 340,620

Step by Step Solution

1. Step 1: Write the proportion equation
   155,524.50 : 340,620 = 340,620 : x
2. Step 2: Convert to fraction form
   155,524.50/340,620 = 340,620/x
3. Step 3: Cross multiply
   155,524.50x = 340,620 × 340,620
4. Step 4: Simplify right side
   155,524.50x = 116,021,984,400
5. Step 5: Solve for x
   x = 116,021,984,400/155,524.50
6. Step 6: Final answer
   x = 746,004.55