Finding the Third Proportional to 426,647.50 and 914,017.25

Step by Step Solution

1. Step 1: Write the proportion equation
   426,647.50 : 914,017.25 = 914,017.25 : x
2. Step 2: Convert to fraction form
   426,647.50/914,017.25 = 914,017.25/x
3. Step 3: Cross multiply
   426,647.50x = 914,017.25 × 914,017.25
4. Step 4: Simplify right side
   426,647.50x = 835,427,533,297.56
5. Step 5: Solve for x
   x = 835,427,533,297.56/426,647.50
6. Step 6: Final answer
   x = 1,958,121.24