Finding the Third Proportional to 1,178,242 and 1,868,694

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,242 : 1,868,694 = 1,868,694 : x
2. Step 2: Convert to fraction form
   1,178,242/1,868,694 = 1,868,694/x
3. Step 3: Cross multiply
   1,178,242x = 1,868,694 × 1,868,694
4. Step 4: Simplify right side
   1,178,242x = 3,492,017,265,636
5. Step 5: Solve for x
   x = 3,492,017,265,636/1,178,242
6. Step 6: Final answer
   x = 2,963,752.15