Finding the Third Proportional to 1,358,135 and 2,878,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,135 : 2,878,168 = 2,878,168 : x
2. Step 2: Convert to fraction form
   1,358,135/2,878,168 = 2,878,168/x
3. Step 3: Cross multiply
   1,358,135x = 2,878,168 × 2,878,168
4. Step 4: Simplify right side
   1,358,135x = 8,283,851,036,224
5. Step 5: Solve for x
   x = 8,283,851,036,224/1,358,135
6. Step 6: Final answer
   x = 6,099,431.23