Finding the Third Proportional to 10,217,612 and 17,028,642

Step by Step Solution

1. Step 1: Write the proportion equation
   10,217,612 : 17,028,642 = 17,028,642 : x
2. Step 2: Convert to fraction form
   10,217,612/17,028,642 = 17,028,642/x
3. Step 3: Cross multiply
   10,217,612x = 17,028,642 × 17,028,642
4. Step 4: Simplify right side
   10,217,612x = 289,974,648,364,164
5. Step 5: Solve for x
   x = 289,974,648,364,164/10,217,612
6. Step 6: Final answer
   x = 28,379,884.49