Finding the Third Proportional to 708,960 and 1,089,726

Step by Step Solution

1. Step 1: Write the proportion equation
   708,960 : 1,089,726 = 1,089,726 : x
2. Step 2: Convert to fraction form
   708,960/1,089,726 = 1,089,726/x
3. Step 3: Cross multiply
   708,960x = 1,089,726 × 1,089,726
4. Step 4: Simplify right side
   708,960x = 1,187,502,755,076
5. Step 5: Solve for x
   x = 1,187,502,755,076/708,960
6. Step 6: Final answer
   x = 1,674,992.60