Finding the Third Proportional to 1,870,256 and 4,059,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,256 : 4,059,328 = 4,059,328 : x
2. Step 2: Convert to fraction form
   1,870,256/4,059,328 = 4,059,328/x
3. Step 3: Cross multiply
   1,870,256x = 4,059,328 × 4,059,328
4. Step 4: Simplify right side
   1,870,256x = 16,478,143,811,584
5. Step 5: Solve for x
   x = 16,478,143,811,584/1,870,256
6. Step 6: Final answer
   x = 8,810,635.45