Finding the Third Proportional to 1,336,863 and 2,783,877

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,863 : 2,783,877 = 2,783,877 : x
2. Step 2: Convert to fraction form
   1,336,863/2,783,877 = 2,783,877/x
3. Step 3: Cross multiply
   1,336,863x = 2,783,877 × 2,783,877
4. Step 4: Simplify right side
   1,336,863x = 7,749,971,151,129
5. Step 5: Solve for x
   x = 7,749,971,151,129/1,336,863
6. Step 6: Final answer
   x = 5,797,131.91