Finding the Third Proportional to 1,036,680 and 2,156,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,680 : 2,156,122 = 2,156,122 : x
2. Step 2: Convert to fraction form
   1,036,680/2,156,122 = 2,156,122/x
3. Step 3: Cross multiply
   1,036,680x = 2,156,122 × 2,156,122
4. Step 4: Simplify right side
   1,036,680x = 4,648,862,078,884
5. Step 5: Solve for x
   x = 4,648,862,078,884/1,036,680
6. Step 6: Final answer
   x = 4,484,375.20