Finding the Third Proportional to 2,787,091 and 4,128,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787,091 : 4,128,828 = 4,128,828 : x
2. Step 2: Convert to fraction form
   2,787,091/4,128,828 = 4,128,828/x
3. Step 3: Cross multiply
   2,787,091x = 4,128,828 × 4,128,828
4. Step 4: Simplify right side
   2,787,091x = 17,047,220,653,584
5. Step 5: Solve for x
   x = 17,047,220,653,584/2,787,091
6. Step 6: Final answer
   x = 6,116,492.30