Finding the Third Proportional to 8,683,080 and 12,764,472

Step by Step Solution

1. Step 1: Write the proportion equation
   8,683,080 : 12,764,472 = 12,764,472 : x
2. Step 2: Convert to fraction form
   8,683,080/12,764,472 = 12,764,472/x
3. Step 3: Cross multiply
   8,683,080x = 12,764,472 × 12,764,472
4. Step 4: Simplify right side
   8,683,080x = 162,931,745,438,784
5. Step 5: Solve for x
   x = 162,931,745,438,784/8,683,080
6. Step 6: Final answer
   x = 18,764,280.12