Finding the Third Proportional to 1,413,890 and 2,141,427

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413,890 : 2,141,427 = 2,141,427 : x
2. Step 2: Convert to fraction form
   1,413,890/2,141,427 = 2,141,427/x
3. Step 3: Cross multiply
   1,413,890x = 2,141,427 × 2,141,427
4. Step 4: Simplify right side
   1,413,890x = 4,585,709,596,329
5. Step 5: Solve for x
   x = 4,585,709,596,329/1,413,890
6. Step 6: Final answer
   x = 3,243,328.40