Finding the Third Proportional to 1,390,992 and 2,965,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,992 : 2,965,712 = 2,965,712 : x
2. Step 2: Convert to fraction form
   1,390,992/2,965,712 = 2,965,712/x
3. Step 3: Cross multiply
   1,390,992x = 2,965,712 × 2,965,712
4. Step 4: Simplify right side
   1,390,992x = 8,795,447,666,944
5. Step 5: Solve for x
   x = 8,795,447,666,944/1,390,992
6. Step 6: Final answer
   x = 6,323,147.56