Finding the Third Proportional to 1,390,988 and 2,965,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,988 : 2,965,704 = 2,965,704 : x
2. Step 2: Convert to fraction form
   1,390,988/2,965,704 = 2,965,704/x
3. Step 3: Cross multiply
   1,390,988x = 2,965,704 × 2,965,704
4. Step 4: Simplify right side
   1,390,988x = 8,795,400,215,616
5. Step 5: Solve for x
   x = 8,795,400,215,616/1,390,988
6. Step 6: Final answer
   x = 6,323,131.63