Finding the Third Proportional to 606,361.50 and 1,320,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   606,361.50 : 1,320,297.50 = 1,320,297.50 : x
2. Step 2: Convert to fraction form
   606,361.50/1,320,297.50 = 1,320,297.50/x
3. Step 3: Cross multiply
   606,361.50x = 1,320,297.50 × 1,320,297.50
4. Step 4: Simplify right side
   606,361.50x = 1,743,185,488,506.25
5. Step 5: Solve for x
   x = 1,743,185,488,506.25/606,361.50
6. Step 6: Final answer
   x = 2,874,828.78