Finding the Third Proportional to 1,077,191 and 1,638,167

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,191 : 1,638,167 = 1,638,167 : x
2. Step 2: Convert to fraction form
   1,077,191/1,638,167 = 1,638,167/x
3. Step 3: Cross multiply
   1,077,191x = 1,638,167 × 1,638,167
4. Step 4: Simplify right side
   1,077,191x = 2,683,591,119,889
5. Step 5: Solve for x
   x = 2,683,591,119,889/1,077,191
6. Step 6: Final answer
   x = 2,491,286.24