Finding the Third Proportional to 1,358,144 and 2,878,186

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,144 : 2,878,186 = 2,878,186 : x
2. Step 2: Convert to fraction form
   1,358,144/2,878,186 = 2,878,186/x
3. Step 3: Cross multiply
   1,358,144x = 2,878,186 × 2,878,186
4. Step 4: Simplify right side
   1,358,144x = 8,283,954,650,596
5. Step 5: Solve for x
   x = 8,283,954,650,596/1,358,144
6. Step 6: Final answer
   x = 6,099,467.10