Finding the Third Proportional to 1,390,948 and 2,965,623

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,948 : 2,965,623 = 2,965,623 : x
2. Step 2: Convert to fraction form
   1,390,948/2,965,623 = 2,965,623/x
3. Step 3: Cross multiply
   1,390,948x = 2,965,623 × 2,965,623
4. Step 4: Simplify right side
   1,390,948x = 8,794,919,778,129
5. Step 5: Solve for x
   x = 8,794,919,778,129/1,390,948
6. Step 6: Final answer
   x = 6,322,968.06