Finding the Third Proportional to 3,968,212 and 5,588,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,212 : 5,588,144 = 5,588,144 : x
2. Step 2: Convert to fraction form
   3,968,212/5,588,144 = 5,588,144/x
3. Step 3: Cross multiply
   3,968,212x = 5,588,144 × 5,588,144
4. Step 4: Simplify right side
   3,968,212x = 31,227,353,364,736
5. Step 5: Solve for x
   x = 31,227,353,364,736/3,968,212
6. Step 6: Final answer
   x = 7,869,376.27