Finding the Third Proportional to 2,155,729.50 and 3,381,698.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,729.50 : 3,381,698.25 = 3,381,698.25 : x
2. Step 2: Convert to fraction form
   2,155,729.50/3,381,698.25 = 3,381,698.25/x
3. Step 3: Cross multiply
   2,155,729.50x = 3,381,698.25 × 3,381,698.25
4. Step 4: Simplify right side
   2,155,729.50x = 11,435,883,054,053.06
5. Step 5: Solve for x
   x = 11,435,883,054,053.06/2,155,729.50
6. Step 6: Final answer
   x = 5,304,878.49