Finding the Third Proportional to 1,489,860 and 2,306,457

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,860 : 2,306,457 = 2,306,457 : x
2. Step 2: Convert to fraction form
   1,489,860/2,306,457 = 2,306,457/x
3. Step 3: Cross multiply
   1,489,860x = 2,306,457 × 2,306,457
4. Step 4: Simplify right side
   1,489,860x = 5,319,743,892,849
5. Step 5: Solve for x
   x = 5,319,743,892,849/1,489,860
6. Step 6: Final answer
   x = 3,570,633.41