Finding the Third Proportional to 1,862,456 and 4,090,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862,456 : 4,090,688 = 4,090,688 : x
2. Step 2: Convert to fraction form
   1,862,456/4,090,688 = 4,090,688/x
3. Step 3: Cross multiply
   1,862,456x = 4,090,688 × 4,090,688
4. Step 4: Simplify right side
   1,862,456x = 16,733,728,313,344
5. Step 5: Solve for x
   x = 16,733,728,313,344/1,862,456
6. Step 6: Final answer
   x = 8,984,764.37