Finding the Third Proportional to 8,309,710 and 12,764,731

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309,710 : 12,764,731 = 12,764,731 : x
2. Step 2: Convert to fraction form
   8,309,710/12,764,731 = 12,764,731/x
3. Step 3: Cross multiply
   8,309,710x = 12,764,731 × 12,764,731
4. Step 4: Simplify right side
   8,309,710x = 162,938,357,502,361
5. Step 5: Solve for x
   x = 162,938,357,502,361/8,309,710
6. Step 6: Final answer
   x = 19,608,188.19