Finding the Third Proportional to 2,173,640 and 4,767,184

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,640 : 4,767,184 = 4,767,184 : x
2. Step 2: Convert to fraction form
   2,173,640/4,767,184 = 4,767,184/x
3. Step 3: Cross multiply
   2,173,640x = 4,767,184 × 4,767,184
4. Step 4: Simplify right side
   2,173,640x = 22,726,043,289,856
5. Step 5: Solve for x
   x = 22,726,043,289,856/2,173,640
6. Step 6: Final answer
   x = 10,455,293.10