Finding the Third Proportional to 1,361,889 and 2,107,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,889 : 2,107,431 = 2,107,431 : x
2. Step 2: Convert to fraction form
   1,361,889/2,107,431 = 2,107,431/x
3. Step 3: Cross multiply
   1,361,889x = 2,107,431 × 2,107,431
4. Step 4: Simplify right side
   1,361,889x = 4,441,265,419,761
5. Step 5: Solve for x
   x = 4,441,265,419,761/1,361,889
6. Step 6: Final answer
   x = 3,261,106.76