Finding the Third Proportional to 1,187,112 and 1,839,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,112 : 1,839,312 = 1,839,312 : x
2. Step 2: Convert to fraction form
   1,187,112/1,839,312 = 1,839,312/x
3. Step 3: Cross multiply
   1,187,112x = 1,839,312 × 1,839,312
4. Step 4: Simplify right side
   1,187,112x = 3,383,068,633,344
5. Step 5: Solve for x
   x = 3,383,068,633,344/1,187,112
6. Step 6: Final answer
   x = 2,849,831.05