Finding the Third Proportional to 5,911,492 and 8,909,519

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911,492 : 8,909,519 = 8,909,519 : x
2. Step 2: Convert to fraction form
   5,911,492/8,909,519 = 8,909,519/x
3. Step 3: Cross multiply
   5,911,492x = 8,909,519 × 8,909,519
4. Step 4: Simplify right side
   5,911,492x = 79,379,528,811,361
5. Step 5: Solve for x
   x = 79,379,528,811,361/5,911,492
6. Step 6: Final answer
   x = 13,428,002.41