Finding the Third Proportional to 5,313,903 and 8,459,568

Step by Step Solution

1. Step 1: Write the proportion equation
   5,313,903 : 8,459,568 = 8,459,568 : x
2. Step 2: Convert to fraction form
   5,313,903/8,459,568 = 8,459,568/x
3. Step 3: Cross multiply
   5,313,903x = 8,459,568 × 8,459,568
4. Step 4: Simplify right side
   5,313,903x = 71,564,290,746,624
5. Step 5: Solve for x
   x = 71,564,290,746,624/5,313,903
6. Step 6: Final answer
   x = 13,467,368.66