Finding the Third Proportional to 5,313,899 and 8,459,562

Step by Step Solution

1. Step 1: Write the proportion equation
   5,313,899 : 8,459,562 = 8,459,562 : x
2. Step 2: Convert to fraction form
   5,313,899/8,459,562 = 8,459,562/x
3. Step 3: Cross multiply
   5,313,899x = 8,459,562 × 8,459,562
4. Step 4: Simplify right side
   5,313,899x = 71,564,189,231,844
5. Step 5: Solve for x
   x = 71,564,189,231,844/5,313,899
6. Step 6: Final answer
   x = 13,467,359.70