Finding the Third Proportional to 1,517,288 and 2,279,964

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517,288 : 2,279,964 = 2,279,964 : x
2. Step 2: Convert to fraction form
   1,517,288/2,279,964 = 2,279,964/x
3. Step 3: Cross multiply
   1,517,288x = 2,279,964 × 2,279,964
4. Step 4: Simplify right side
   1,517,288x = 5,198,235,841,296
5. Step 5: Solve for x
   x = 5,198,235,841,296/1,517,288
6. Step 6: Final answer
   x = 3,426,004.71