Finding the Third Proportional to 489,676 and 1,038,158

Step by Step Solution

1. Step 1: Write the proportion equation
   489,676 : 1,038,158 = 1,038,158 : x
2. Step 2: Convert to fraction form
   489,676/1,038,158 = 1,038,158/x
3. Step 3: Cross multiply
   489,676x = 1,038,158 × 1,038,158
4. Step 4: Simplify right side
   489,676x = 1,077,772,032,964
5. Step 5: Solve for x
   x = 1,077,772,032,964/489,676
6. Step 6: Final answer
   x = 2,200,990.11