Finding the Third Proportional to 5,313,674 and 8,459,231

Step by Step Solution

1. Step 1: Write the proportion equation
   5,313,674 : 8,459,231 = 8,459,231 : x
2. Step 2: Convert to fraction form
   5,313,674/8,459,231 = 8,459,231/x
3. Step 3: Cross multiply
   5,313,674x = 8,459,231 × 8,459,231
4. Step 4: Simplify right side
   5,313,674x = 71,558,589,111,361
5. Step 5: Solve for x
   x = 71,558,589,111,361/5,313,674
6. Step 6: Final answer
   x = 13,466,876.05