Finding the Third Proportional to 1,358,356 and 1,838,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,356 : 1,838,240 = 1,838,240 : x
2. Step 2: Convert to fraction form
   1,358,356/1,838,240 = 1,838,240/x
3. Step 3: Cross multiply
   1,358,356x = 1,838,240 × 1,838,240
4. Step 4: Simplify right side
   1,358,356x = 3,379,126,297,600
5. Step 5: Solve for x
   x = 3,379,126,297,600/1,358,356
6. Step 6: Final answer
   x = 2,487,658.83