Finding the Third Proportional to 1,340,238 and 2,890,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,238 : 2,890,416 = 2,890,416 : x
2. Step 2: Convert to fraction form
   1,340,238/2,890,416 = 2,890,416/x
3. Step 3: Cross multiply
   1,340,238x = 2,890,416 × 2,890,416
4. Step 4: Simplify right side
   1,340,238x = 8,354,504,653,056
5. Step 5: Solve for x
   x = 8,354,504,653,056/1,340,238
6. Step 6: Final answer
   x = 6,233,597.80