Finding the Third Proportional to 489,642 and 1,038,068

Step by Step Solution

1. Step 1: Write the proportion equation
   489,642 : 1,038,068 = 1,038,068 : x
2. Step 2: Convert to fraction form
   489,642/1,038,068 = 1,038,068/x
3. Step 3: Cross multiply
   489,642x = 1,038,068 × 1,038,068
4. Step 4: Simplify right side
   489,642x = 1,077,585,172,624
5. Step 5: Solve for x
   x = 1,077,585,172,624/489,642
6. Step 6: Final answer
   x = 2,200,761.32