Finding the Third Proportional to 2,689,318 and 5,826,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,318 : 5,826,656 = 5,826,656 : x
2. Step 2: Convert to fraction form
   2,689,318/5,826,656 = 5,826,656/x
3. Step 3: Cross multiply
   2,689,318x = 5,826,656 × 5,826,656
4. Step 4: Simplify right side
   2,689,318x = 33,949,920,142,336
5. Step 5: Solve for x
   x = 33,949,920,142,336/2,689,318
6. Step 6: Final answer
   x = 12,623,988.74