Finding the Third Proportional to 13,192,155 and 19,892,042

Step by Step Solution

1. Step 1: Write the proportion equation
   13,192,155 : 19,892,042 = 19,892,042 : x
2. Step 2: Convert to fraction form
   13,192,155/19,892,042 = 19,892,042/x
3. Step 3: Cross multiply
   13,192,155x = 19,892,042 × 19,892,042
4. Step 4: Simplify right side
   13,192,155x = 395,693,334,929,764
5. Step 5: Solve for x
   x = 395,693,334,929,764/13,192,155
6. Step 6: Final answer
   x = 29,994,594.13