Finding the Third Proportional to 19,383,628 and 42,288,080

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,628 : 42,288,080 = 42,288,080 : x
2. Step 2: Convert to fraction form
   19,383,628/42,288,080 = 42,288,080/x
3. Step 3: Cross multiply
   19,383,628x = 42,288,080 × 42,288,080
4. Step 4: Simplify right side
   19,383,628x = 1,788,281,710,086,400
5. Step 5: Solve for x
   x = 1,788,281,710,086,400/19,383,628
6. Step 6: Final answer
   x = 92,257,327.17