Finding the Third Proportional to 705,357 and 1,089,801

Step by Step Solution

1. Step 1: Write the proportion equation
   705,357 : 1,089,801 = 1,089,801 : x
2. Step 2: Convert to fraction form
   705,357/1,089,801 = 1,089,801/x
3. Step 3: Cross multiply
   705,357x = 1,089,801 × 1,089,801
4. Step 4: Simplify right side
   705,357x = 1,187,666,219,601
5. Step 5: Solve for x
   x = 1,187,666,219,601/705,357
6. Step 6: Final answer
   x = 1,683,780.30