Finding the Third Proportional to 5,673,154 and 8,489,676

Step by Step Solution

1. Step 1: Write the proportion equation
   5,673,154 : 8,489,676 = 8,489,676 : x
2. Step 2: Convert to fraction form
   5,673,154/8,489,676 = 8,489,676/x
3. Step 3: Cross multiply
   5,673,154x = 8,489,676 × 8,489,676
4. Step 4: Simplify right side
   5,673,154x = 72,074,598,584,976
5. Step 5: Solve for x
   x = 72,074,598,584,976/5,673,154
6. Step 6: Final answer
   x = 12,704,502.40