Finding the Third Proportional to 1,118,130 and 1,489,707

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,130 : 1,489,707 = 1,489,707 : x
2. Step 2: Convert to fraction form
   1,118,130/1,489,707 = 1,489,707/x
3. Step 3: Cross multiply
   1,118,130x = 1,489,707 × 1,489,707
4. Step 4: Simplify right side
   1,118,130x = 2,219,226,945,849
5. Step 5: Solve for x
   x = 2,219,226,945,849/1,118,130
6. Step 6: Final answer
   x = 1,984,766.48