Finding the Third Proportional to 2,147,176 and 4,680,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,176 : 4,680,176 = 4,680,176 : x
2. Step 2: Convert to fraction form
   2,147,176/4,680,176 = 4,680,176/x
3. Step 3: Cross multiply
   2,147,176x = 4,680,176 × 4,680,176
4. Step 4: Simplify right side
   2,147,176x = 21,904,047,390,976
5. Step 5: Solve for x
   x = 21,904,047,390,976/2,147,176
6. Step 6: Final answer
   x = 10,201,328.35