Finding the Third Proportional to 5,678,122 and 8,584,910

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678,122 : 8,584,910 = 8,584,910 : x
2. Step 2: Convert to fraction form
   5,678,122/8,584,910 = 8,584,910/x
3. Step 3: Cross multiply
   5,678,122x = 8,584,910 × 8,584,910
4. Step 4: Simplify right side
   5,678,122x = 73,700,679,708,100
5. Step 5: Solve for x
   x = 73,700,679,708,100/5,678,122
6. Step 6: Final answer
   x = 12,979,763.33