Finding the Third Proportional to 1,331,318 and 2,911,468

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,318 : 2,911,468 = 2,911,468 : x
2. Step 2: Convert to fraction form
   1,331,318/2,911,468 = 2,911,468/x
3. Step 3: Cross multiply
   1,331,318x = 2,911,468 × 2,911,468
4. Step 4: Simplify right side
   1,331,318x = 8,476,645,915,024
5. Step 5: Solve for x
   x = 8,476,645,915,024/1,331,318
6. Step 6: Final answer
   x = 6,367,108.32