Finding the Third Proportional to 898,392.50 and 1,321,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   898,392.50 : 1,321,297.50 = 1,321,297.50 : x
2. Step 2: Convert to fraction form
   898,392.50/1,321,297.50 = 1,321,297.50/x
3. Step 3: Cross multiply
   898,392.50x = 1,321,297.50 × 1,321,297.50
4. Step 4: Simplify right side
   898,392.50x = 1,745,827,083,506.25
5. Step 5: Solve for x
   x = 1,745,827,083,506.25/898,392.50
6. Step 6: Final answer
   x = 1,943,278.78