Finding the Third Proportional to 1,489,838 and 2,306,427

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,838 : 2,306,427 = 2,306,427 : x
2. Step 2: Convert to fraction form
   1,489,838/2,306,427 = 2,306,427/x
3. Step 3: Cross multiply
   1,489,838x = 2,306,427 × 2,306,427
4. Step 4: Simplify right side
   1,489,838x = 5,319,605,506,329
5. Step 5: Solve for x
   x = 5,319,605,506,329/1,489,838
6. Step 6: Final answer
   x = 3,570,593.25