Finding the Third Proportional to 1,330,418 and 2,918,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330,418 : 2,918,372 = 2,918,372 : x
2. Step 2: Convert to fraction form
   1,330,418/2,918,372 = 2,918,372/x
3. Step 3: Cross multiply
   1,330,418x = 2,918,372 × 2,918,372
4. Step 4: Simplify right side
   1,330,418x = 8,516,895,130,384
5. Step 5: Solve for x
   x = 8,516,895,130,384/1,330,418
6. Step 6: Final answer
   x = 6,401,668.60