Finding the Third Proportional to 1,310,634 and 1,977,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,634 : 1,977,993 = 1,977,993 : x
2. Step 2: Convert to fraction form
   1,310,634/1,977,993 = 1,977,993/x
3. Step 3: Cross multiply
   1,310,634x = 1,977,993 × 1,977,993
4. Step 4: Simplify right side
   1,310,634x = 3,912,456,308,049
5. Step 5: Solve for x
   x = 3,912,456,308,049/1,310,634
6. Step 6: Final answer
   x = 2,985,163.14