Finding the Third Proportional to 155,604 and 340,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,604 : 340,510.50 = 340,510.50 : x
2. Step 2: Convert to fraction form
   155,604/340,510.50 = 340,510.50/x
3. Step 3: Cross multiply
   155,604x = 340,510.50 × 340,510.50
4. Step 4: Simplify right side
   155,604x = 115,947,400,610.25
5. Step 5: Solve for x
   x = 115,947,400,610.25/155,604
6. Step 6: Final answer
   x = 745,144.09