Finding the Third Proportional to 822,436.50 and 1,290,456

Step by Step Solution

1. Step 1: Write the proportion equation
   822,436.50 : 1,290,456 = 1,290,456 : x
2. Step 2: Convert to fraction form
   822,436.50/1,290,456 = 1,290,456/x
3. Step 3: Cross multiply
   822,436.50x = 1,290,456 × 1,290,456
4. Step 4: Simplify right side
   822,436.50x = 1,665,276,687,936
5. Step 5: Solve for x
   x = 1,665,276,687,936/822,436.50
6. Step 6: Final answer
   x = 2,024,808.83