Finding the Third Proportional to 708,648 and 1,076,088

Step by Step Solution

1. Step 1: Write the proportion equation
   708,648 : 1,076,088 = 1,076,088 : x
2. Step 2: Convert to fraction form
   708,648/1,076,088 = 1,076,088/x
3. Step 3: Cross multiply
   708,648x = 1,076,088 × 1,076,088
4. Step 4: Simplify right side
   708,648x = 1,157,965,383,744
5. Step 5: Solve for x
   x = 1,157,965,383,744/708,648
6. Step 6: Final answer
   x = 1,634,048.76