Finding the Third Proportional to 5,674,904 and 8,491,620

Step by Step Solution

1. Step 1: Write the proportion equation
   5,674,904 : 8,491,620 = 8,491,620 : x
2. Step 2: Convert to fraction form
   5,674,904/8,491,620 = 8,491,620/x
3. Step 3: Cross multiply
   5,674,904x = 8,491,620 × 8,491,620
4. Step 4: Simplify right side
   5,674,904x = 72,107,610,224,400
5. Step 5: Solve for x
   x = 72,107,610,224,400/5,674,904
6. Step 6: Final answer
   x = 12,706,401.77