Finding the Third Proportional to 1,317,192 and 1,986,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,192 : 1,986,168 = 1,986,168 : x
2. Step 2: Convert to fraction form
   1,317,192/1,986,168 = 1,986,168/x
3. Step 3: Cross multiply
   1,317,192x = 1,986,168 × 1,986,168
4. Step 4: Simplify right side
   1,317,192x = 3,944,863,324,224
5. Step 5: Solve for x
   x = 3,944,863,324,224/1,317,192
6. Step 6: Final answer
   x = 2,994,903.80