Finding the Third Proportional to 12,808,177 and 19,810,774

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,177 : 19,810,774 = 19,810,774 : x
2. Step 2: Convert to fraction form
   12,808,177/19,810,774 = 19,810,774/x
3. Step 3: Cross multiply
   12,808,177x = 19,810,774 × 19,810,774
4. Step 4: Simplify right side
   12,808,177x = 392,466,766,479,076
5. Step 5: Solve for x
   x = 392,466,766,479,076/12,808,177
6. Step 6: Final answer
   x = 30,641,891.23