Finding the Third Proportional to 1,121,704 and 1,740,173

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,704 : 1,740,173 = 1,740,173 : x
2. Step 2: Convert to fraction form
   1,121,704/1,740,173 = 1,740,173/x
3. Step 3: Cross multiply
   1,121,704x = 1,740,173 × 1,740,173
4. Step 4: Simplify right side
   1,121,704x = 3,028,202,069,929
5. Step 5: Solve for x
   x = 3,028,202,069,929/1,121,704
6. Step 6: Final answer
   x = 2,699,644.53