Finding the Third Proportional to 1,115,694 and 2,290,194

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,694 : 2,290,194 = 2,290,194 : x
2. Step 2: Convert to fraction form
   1,115,694/2,290,194 = 2,290,194/x
3. Step 3: Cross multiply
   1,115,694x = 2,290,194 × 2,290,194
4. Step 4: Simplify right side
   1,115,694x = 5,244,988,557,636
5. Step 5: Solve for x
   x = 5,244,988,557,636/1,115,694
6. Step 6: Final answer
   x = 4,701,099.55