Finding the Third Proportional to 487,986 and 1,038,180

Step by Step Solution

1. Step 1: Write the proportion equation
   487,986 : 1,038,180 = 1,038,180 : x
2. Step 2: Convert to fraction form
   487,986/1,038,180 = 1,038,180/x
3. Step 3: Cross multiply
   487,986x = 1,038,180 × 1,038,180
4. Step 4: Simplify right side
   487,986x = 1,077,817,712,400
5. Step 5: Solve for x
   x = 1,077,817,712,400/487,986
6. Step 6: Final answer
   x = 2,208,706.22