Finding the Third Proportional to 19,383,624 and 42,288,072

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,624 : 42,288,072 = 42,288,072 : x
2. Step 2: Convert to fraction form
   19,383,624/42,288,072 = 42,288,072/x
3. Step 3: Cross multiply
   19,383,624x = 42,288,072 × 42,288,072
4. Step 4: Simplify right side
   19,383,624x = 1,788,281,033,477,184
5. Step 5: Solve for x
   x = 1,788,281,033,477,184/19,383,624
6. Step 6: Final answer
   x = 92,257,311.30