Finding the Third Proportional to 708,944 and 1,089,698

Step by Step Solution

1. Step 1: Write the proportion equation
   708,944 : 1,089,698 = 1,089,698 : x
2. Step 2: Convert to fraction form
   708,944/1,089,698 = 1,089,698/x
3. Step 3: Cross multiply
   708,944x = 1,089,698 × 1,089,698
4. Step 4: Simplify right side
   708,944x = 1,187,441,731,204
5. Step 5: Solve for x
   x = 1,187,441,731,204/708,944
6. Step 6: Final answer
   x = 1,674,944.33