Finding the Third Proportional to 19,383,586.50 and 42,288,000

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,586.50 : 42,288,000 = 42,288,000 : x
2. Step 2: Convert to fraction form
   19,383,586.50/42,288,000 = 42,288,000/x
3. Step 3: Cross multiply
   19,383,586.50x = 42,288,000 × 42,288,000
4. Step 4: Simplify right side
   19,383,586.50x = 1,788,274,944,000,000
5. Step 5: Solve for x
   x = 1,788,274,944,000,000/19,383,586.50
6. Step 6: Final answer
   x = 92,257,175.63