Finding the Third Proportional to 19,380,818 and 28,229,961

Step by Step Solution

1. Step 1: Write the proportion equation
   19,380,818 : 28,229,961 = 28,229,961 : x
2. Step 2: Convert to fraction form
   19,380,818/28,229,961 = 28,229,961/x
3. Step 3: Cross multiply
   19,380,818x = 28,229,961 × 28,229,961
4. Step 4: Simplify right side
   19,380,818x = 796,930,698,061,521
5. Step 5: Solve for x
   x = 796,930,698,061,521/19,380,818
6. Step 6: Final answer
   x = 41,119,559.46