Finding the Third Proportional to 19,143,021 and 42,005,523

Step by Step Solution

1. Step 1: Write the proportion equation
   19,143,021 : 42,005,523 = 42,005,523 : x
2. Step 2: Convert to fraction form
   19,143,021/42,005,523 = 42,005,523/x
3. Step 3: Cross multiply
   19,143,021x = 42,005,523 × 42,005,523
4. Step 4: Simplify right side
   19,143,021x = 1,764,463,962,503,529
5. Step 5: Solve for x
   x = 1,764,463,962,503,529/19,143,021
6. Step 6: Final answer
   x = 92,172,701.61