Finding the Third Proportional to 19,383,731 and 42,288,262

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,731 : 42,288,262 = 42,288,262 : x
2. Step 2: Convert to fraction form
   19,383,731/42,288,262 = 42,288,262/x
3. Step 3: Cross multiply
   19,383,731x = 42,288,262 × 42,288,262
4. Step 4: Simplify right side
   19,383,731x = 1,788,297,102,980,644
5. Step 5: Solve for x
   x = 1,788,297,102,980,644/19,383,731
6. Step 6: Final answer
   x = 92,257,631.05