Finding the Third Proportional to 1,260,909 and 2,698,965

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,909 : 2,698,965 = 2,698,965 : x
2. Step 2: Convert to fraction form
   1,260,909/2,698,965 = 2,698,965/x
3. Step 3: Cross multiply
   1,260,909x = 2,698,965 × 2,698,965
4. Step 4: Simplify right side
   1,260,909x = 7,284,412,071,225
5. Step 5: Solve for x
   x = 7,284,412,071,225/1,260,909
6. Step 6: Final answer
   x = 5,777,111.65