Finding the Third Proportional to 1,236,642 and 1,967,167

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,642 : 1,967,167 = 1,967,167 : x
2. Step 2: Convert to fraction form
   1,236,642/1,967,167 = 1,967,167/x
3. Step 3: Cross multiply
   1,236,642x = 1,967,167 × 1,967,167
4. Step 4: Simplify right side
   1,236,642x = 3,869,746,005,889
5. Step 5: Solve for x
   x = 3,869,746,005,889/1,236,642
6. Step 6: Final answer
   x = 3,129,237.08