Finding the Third Proportional to 8,683,028 and 12,764,390

Step by Step Solution

1. Step 1: Write the proportion equation
   8,683,028 : 12,764,390 = 12,764,390 : x
2. Step 2: Convert to fraction form
   8,683,028/12,764,390 = 12,764,390/x
3. Step 3: Cross multiply
   8,683,028x = 12,764,390 × 12,764,390
4. Step 4: Simplify right side
   8,683,028x = 162,929,652,072,100
5. Step 5: Solve for x
   x = 162,929,652,072,100/8,683,028
6. Step 6: Final answer
   x = 18,764,151.41