Finding the Third Proportional to 4,176,176 and 9,119,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,176,176 : 9,119,368 = 9,119,368 : x
2. Step 2: Convert to fraction form
   4,176,176/9,119,368 = 9,119,368/x
3. Step 3: Cross multiply
   4,176,176x = 9,119,368 × 9,119,368
4. Step 4: Simplify right side
   4,176,176x = 83,162,872,719,424
5. Step 5: Solve for x
   x = 83,162,872,719,424/4,176,176
6. Step 6: Final answer
   x = 19,913,641.74