Finding the Third Proportional to 5,589,507 and 8,412,246

Step by Step Solution

1. Step 1: Write the proportion equation
   5,589,507 : 8,412,246 = 8,412,246 : x
2. Step 2: Convert to fraction form
   5,589,507/8,412,246 = 8,412,246/x
3. Step 3: Cross multiply
   5,589,507x = 8,412,246 × 8,412,246
4. Step 4: Simplify right side
   5,589,507x = 70,765,882,764,516
5. Step 5: Solve for x
   x = 70,765,882,764,516/5,589,507
6. Step 6: Final answer
   x = 12,660,487.37