Finding the Third Proportional to 1,358,364 and 1,838,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,364 : 1,838,256 = 1,838,256 : x
2. Step 2: Convert to fraction form
   1,358,364/1,838,256 = 1,838,256/x
3. Step 3: Cross multiply
   1,358,364x = 1,838,256 × 1,838,256
4. Step 4: Simplify right side
   1,358,364x = 3,379,185,121,536
5. Step 5: Solve for x
   x = 3,379,185,121,536/1,358,364
6. Step 6: Final answer
   x = 2,487,687.48