Finding the Third Proportional to 89,031,618 and 193,291,116

Step by Step Solution

1. Step 1: Write the proportion equation
   89,031,618 : 193,291,116 = 193,291,116 : x
2. Step 2: Convert to fraction form
   89,031,618/193,291,116 = 193,291,116/x
3. Step 3: Cross multiply
   89,031,618x = 193,291,116 × 193,291,116
4. Step 4: Simplify right side
   89,031,618x = 37,361,455,524,525,456
5. Step 5: Solve for x
   x = 37,361,455,524,525,456/89,031,618
6. Step 6: Final answer
   x = 419,642,553.55