Finding the Third Proportional to 1,445,880 and 2,164,443

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,880 : 2,164,443 = 2,164,443 : x
2. Step 2: Convert to fraction form
   1,445,880/2,164,443 = 2,164,443/x
3. Step 3: Cross multiply
   1,445,880x = 2,164,443 × 2,164,443
4. Step 4: Simplify right side
   1,445,880x = 4,684,813,500,249
5. Step 5: Solve for x
   x = 4,684,813,500,249/1,445,880
6. Step 6: Final answer
   x = 3,240,112.25