Finding the Third Proportional to 12,800,818 and 27,992,732

Step by Step Solution

1. Step 1: Write the proportion equation
   12,800,818 : 27,992,732 = 27,992,732 : x
2. Step 2: Convert to fraction form
   12,800,818/27,992,732 = 27,992,732/x
3. Step 3: Cross multiply
   12,800,818x = 27,992,732 × 27,992,732
4. Step 4: Simplify right side
   12,800,818x = 783,593,044,823,824
5. Step 5: Solve for x
   x = 783,593,044,823,824/12,800,818
6. Step 6: Final answer
   x = 61,214,294.65