Finding the Third Proportional to 4,129,762 and 8,857,224

Step by Step Solution

1. Step 1: Write the proportion equation
   4,129,762 : 8,857,224 = 8,857,224 : x
2. Step 2: Convert to fraction form
   4,129,762/8,857,224 = 8,857,224/x
3. Step 3: Cross multiply
   4,129,762x = 8,857,224 × 8,857,224
4. Step 4: Simplify right side
   4,129,762x = 78,450,416,986,176
5. Step 5: Solve for x
   x = 78,450,416,986,176/4,129,762
6. Step 6: Final answer
   x = 18,996,353.06