Finding the Third Proportional to 5,543,910 and 8,293,209

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543,910 : 8,293,209 = 8,293,209 : x
2. Step 2: Convert to fraction form
   5,543,910/8,293,209 = 8,293,209/x
3. Step 3: Cross multiply
   5,543,910x = 8,293,209 × 8,293,209
4. Step 4: Simplify right side
   5,543,910x = 68,777,315,517,681
5. Step 5: Solve for x
   x = 68,777,315,517,681/5,543,910
6. Step 6: Final answer
   x = 12,405,922.09