Finding the Third Proportional to 1,110,449 and 2,389,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110,449 : 2,389,342 = 2,389,342 : x
2. Step 2: Convert to fraction form
   1,110,449/2,389,342 = 2,389,342/x
3. Step 3: Cross multiply
   1,110,449x = 2,389,342 × 2,389,342
4. Step 4: Simplify right side
   1,110,449x = 5,708,955,192,964
5. Step 5: Solve for x
   x = 5,708,955,192,964/1,110,449
6. Step 6: Final answer
   x = 5,141,123.27