Finding the Third Proportional to 4,176,363 and 9,119,742

Step by Step Solution

1. Step 1: Write the proportion equation
   4,176,363 : 9,119,742 = 9,119,742 : x
2. Step 2: Convert to fraction form
   4,176,363/9,119,742 = 9,119,742/x
3. Step 3: Cross multiply
   4,176,363x = 9,119,742 × 9,119,742
4. Step 4: Simplify right side
   4,176,363x = 83,169,694,146,564
5. Step 5: Solve for x
   x = 83,169,694,146,564/4,176,363
6. Step 6: Final answer
   x = 19,914,383.44