Finding the Third Proportional to 4,245,586 and 8,970,372

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245,586 : 8,970,372 = 8,970,372 : x
2. Step 2: Convert to fraction form
   4,245,586/8,970,372 = 8,970,372/x
3. Step 3: Cross multiply
   4,245,586x = 8,970,372 × 8,970,372
4. Step 4: Simplify right side
   4,245,586x = 80,467,573,818,384
5. Step 5: Solve for x
   x = 80,467,573,818,384/4,245,586
6. Step 6: Final answer
   x = 18,953,231.38