Finding the Third Proportional to 155,541 and 340,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,541 : 340,297.50 = 340,297.50 : x
2. Step 2: Convert to fraction form
   155,541/340,297.50 = 340,297.50/x
3. Step 3: Cross multiply
   155,541x = 340,297.50 × 340,297.50
4. Step 4: Simplify right side
   155,541x = 115,802,388,506.25
5. Step 5: Solve for x
   x = 115,802,388,506.25/155,541
6. Step 6: Final answer
   x = 744,513.59