Finding the Third Proportional to 1,395,316 and 2,103,198

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,316 : 2,103,198 = 2,103,198 : x
2. Step 2: Convert to fraction form
   1,395,316/2,103,198 = 2,103,198/x
3. Step 3: Cross multiply
   1,395,316x = 2,103,198 × 2,103,198
4. Step 4: Simplify right side
   1,395,316x = 4,423,441,827,204
5. Step 5: Solve for x
   x = 4,423,441,827,204/1,395,316
6. Step 6: Final answer
   x = 3,170,207.92