Finding the Third Proportional to 550,998 and 834,815.25

Step by Step Solution

1. Step 1: Write the proportion equation
   550,998 : 834,815.25 = 834,815.25 : x
2. Step 2: Convert to fraction form
   550,998/834,815.25 = 834,815.25/x
3. Step 3: Cross multiply
   550,998x = 834,815.25 × 834,815.25
4. Step 4: Simplify right side
   550,998x = 696,916,501,632.56
5. Step 5: Solve for x
   x = 696,916,501,632.56/550,998
6. Step 6: Final answer
   x = 1,264,825.83