Finding the Third Proportional to 734,555 and 1,122,939

Step by Step Solution

1. Step 1: Write the proportion equation
   734,555 : 1,122,939 = 1,122,939 : x
2. Step 2: Convert to fraction form
   734,555/1,122,939 = 1,122,939/x
3. Step 3: Cross multiply
   734,555x = 1,122,939 × 1,122,939
4. Step 4: Simplify right side
   734,555x = 1,260,991,997,721
5. Step 5: Solve for x
   x = 1,260,991,997,721/734,555
6. Step 6: Final answer
   x = 1,716,674.72