Finding the Third Proportional to 1,368,286 and 2,146,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,286 : 2,146,424 = 2,146,424 : x
2. Step 2: Convert to fraction form
   1,368,286/2,146,424 = 2,146,424/x
3. Step 3: Cross multiply
   1,368,286x = 2,146,424 × 2,146,424
4. Step 4: Simplify right side
   1,368,286x = 4,607,135,987,776
5. Step 5: Solve for x
   x = 4,607,135,987,776/1,368,286
6. Step 6: Final answer
   x = 3,367,085.53