Finding the Third Proportional to 489,672 and 1,038,132

Step by Step Solution

1. Step 1: Write the proportion equation
   489,672 : 1,038,132 = 1,038,132 : x
2. Step 2: Convert to fraction form
   489,672/1,038,132 = 1,038,132/x
3. Step 3: Cross multiply
   489,672x = 1,038,132 × 1,038,132
4. Step 4: Simplify right side
   489,672x = 1,077,718,049,424
5. Step 5: Solve for x
   x = 1,077,718,049,424/489,672
6. Step 6: Final answer
   x = 2,200,897.84