Finding the Third Proportional to 1,491,390 and 2,237,247

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,390 : 2,237,247 = 2,237,247 : x
2. Step 2: Convert to fraction form
   1,491,390/2,237,247 = 2,237,247/x
3. Step 3: Cross multiply
   1,491,390x = 2,237,247 × 2,237,247
4. Step 4: Simplify right side
   1,491,390x = 5,005,274,139,009
5. Step 5: Solve for x
   x = 5,005,274,139,009/1,491,390
6. Step 6: Final answer
   x = 3,356,113.52