Finding the Third Proportional to 19,679,753 and 42,704,678

Step by Step Solution

1. Step 1: Write the proportion equation
   19,679,753 : 42,704,678 = 42,704,678 : x
2. Step 2: Convert to fraction form
   19,679,753/42,704,678 = 42,704,678/x
3. Step 3: Cross multiply
   19,679,753x = 42,704,678 × 42,704,678
4. Step 4: Simplify right side
   19,679,753x = 1,823,689,523,083,684
5. Step 5: Solve for x
   x = 1,823,689,523,083,684/19,679,753
6. Step 6: Final answer
   x = 92,668,313.63