Finding the Third Proportional to 1,445,878 and 2,164,441

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,878 : 2,164,441 = 2,164,441 : x
2. Step 2: Convert to fraction form
   1,445,878/2,164,441 = 2,164,441/x
3. Step 3: Cross multiply
   1,445,878x = 2,164,441 × 2,164,441
4. Step 4: Simplify right side
   1,445,878x = 4,684,804,842,481
5. Step 5: Solve for x
   x = 4,684,804,842,481/1,445,878
6. Step 6: Final answer
   x = 3,240,110.74