Finding the Third Proportional to 426,649.50 and 914,019.75

Step by Step Solution

1. Step 1: Write the proportion equation
   426,649.50 : 914,019.75 = 914,019.75 : x
2. Step 2: Convert to fraction form
   426,649.50/914,019.75 = 914,019.75/x
3. Step 3: Cross multiply
   426,649.50x = 914,019.75 × 914,019.75
4. Step 4: Simplify right side
   426,649.50x = 835,432,103,390.06
5. Step 5: Solve for x
   x = 835,432,103,390.06/426,649.50
6. Step 6: Final answer
   x = 1,958,122.78