Finding the Third Proportional to 1,445,876 and 2,164,437

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,876 : 2,164,437 = 2,164,437 : x
2. Step 2: Convert to fraction form
   1,445,876/2,164,437 = 2,164,437/x
3. Step 3: Cross multiply
   1,445,876x = 2,164,437 × 2,164,437
4. Step 4: Simplify right side
   1,445,876x = 4,684,787,526,969
5. Step 5: Solve for x
   x = 4,684,787,526,969/1,445,876
6. Step 6: Final answer
   x = 3,240,103.25