Finding the Third Proportional to 1,368,284 and 2,146,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,284 : 2,146,421 = 2,146,421 : x
2. Step 2: Convert to fraction form
   1,368,284/2,146,421 = 2,146,421/x
3. Step 3: Cross multiply
   1,368,284x = 2,146,421 × 2,146,421
4. Step 4: Simplify right side
   1,368,284x = 4,607,123,109,241
5. Step 5: Solve for x
   x = 4,607,123,109,241/1,368,284
6. Step 6: Final answer
   x = 3,367,081.04