Finding the Third Proportional to 5,313,960 and 8,459,670

Step by Step Solution

1. Step 1: Write the proportion equation
   5,313,960 : 8,459,670 = 8,459,670 : x
2. Step 2: Convert to fraction form
   5,313,960/8,459,670 = 8,459,670/x
3. Step 3: Cross multiply
   5,313,960x = 8,459,670 × 8,459,670
4. Step 4: Simplify right side
   5,313,960x = 71,566,016,508,900
5. Step 5: Solve for x
   x = 71,566,016,508,900/5,313,960
6. Step 6: Final answer
   x = 13,467,548.97