Finding the Third Proportional to 426,111.89 and 911,324.04

Step by Step Solution

1. Step 1: Write the proportion equation
   426,111.89 : 911,324.04 = 911,324.04 : x
2. Step 2: Convert to fraction form
   426,111.89/911,324.04 = 911,324.04/x
3. Step 3: Cross multiply
   426,111.89x = 911,324.04 × 911,324.04
4. Step 4: Simplify right side
   426,111.89x = 830,511,504,173.19
5. Step 5: Solve for x
   x = 830,511,504,173.19/426,111.89
6. Step 6: Final answer
   x = 1,949,045.60