Finding the Third Proportional to 1,158,198 and 1,771,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,198 : 1,771,740 = 1,771,740 : x
2. Step 2: Convert to fraction form
   1,158,198/1,771,740 = 1,771,740/x
3. Step 3: Cross multiply
   1,158,198x = 1,771,740 × 1,771,740
4. Step 4: Simplify right side
   1,158,198x = 3,139,062,627,600
5. Step 5: Solve for x
   x = 3,139,062,627,600/1,158,198
6. Step 6: Final answer
   x = 2,710,298.78