Finding the Third Proportional to 1,147,998 and 2,505,813

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,998 : 2,505,813 = 2,505,813 : x
2. Step 2: Convert to fraction form
   1,147,998/2,505,813 = 2,505,813/x
3. Step 3: Cross multiply
   1,147,998x = 2,505,813 × 2,505,813
4. Step 4: Simplify right side
   1,147,998x = 6,279,098,790,969
5. Step 5: Solve for x
   x = 6,279,098,790,969/1,147,998
6. Step 6: Final answer
   x = 5,469,607.78