Finding the Third Proportional to 5,295,478 and 8,182,842

Step by Step Solution

1. Step 1: Write the proportion equation
   5,295,478 : 8,182,842 = 8,182,842 : x
2. Step 2: Convert to fraction form
   5,295,478/8,182,842 = 8,182,842/x
3. Step 3: Cross multiply
   5,295,478x = 8,182,842 × 8,182,842
4. Step 4: Simplify right side
   5,295,478x = 66,958,903,196,964
5. Step 5: Solve for x
   x = 66,958,903,196,964/5,295,478
6. Step 6: Final answer
   x = 12,644,543.74