Finding the Third Proportional to 1,443,296 and 2,243,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,296 : 2,243,688 = 2,243,688 : x
2. Step 2: Convert to fraction form
   1,443,296/2,243,688 = 2,243,688/x
3. Step 3: Cross multiply
   1,443,296x = 2,243,688 × 2,243,688
4. Step 4: Simplify right side
   1,443,296x = 5,034,135,841,344
5. Step 5: Solve for x
   x = 5,034,135,841,344/1,443,296
6. Step 6: Final answer
   x = 3,487,944.15