Finding the Third Proportional to 1,216,875 and 1,891,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,875 : 1,891,692 = 1,891,692 : x
2. Step 2: Convert to fraction form
   1,216,875/1,891,692 = 1,891,692/x
3. Step 3: Cross multiply
   1,216,875x = 1,891,692 × 1,891,692
4. Step 4: Simplify right side
   1,216,875x = 3,578,498,622,864
5. Step 5: Solve for x
   x = 3,578,498,622,864/1,216,875
6. Step 6: Final answer
   x = 2,940,728.20