Finding the Third Proportional to 5,615,632 and 8,212,847

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,632 : 8,212,847 = 8,212,847 : x
2. Step 2: Convert to fraction form
   5,615,632/8,212,847 = 8,212,847/x
3. Step 3: Cross multiply
   5,615,632x = 8,212,847 × 8,212,847
4. Step 4: Simplify right side
   5,615,632x = 67,450,855,845,409
5. Step 5: Solve for x
   x = 67,450,855,845,409/5,615,632
6. Step 6: Final answer
   x = 12,011,267.09