Finding the Third Proportional to 1,178,208 and 1,843,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,208 : 1,843,128 = 1,843,128 : x
2. Step 2: Convert to fraction form
   1,178,208/1,843,128 = 1,843,128/x
3. Step 3: Cross multiply
   1,178,208x = 1,843,128 × 1,843,128
4. Step 4: Simplify right side
   1,178,208x = 3,397,120,824,384
5. Step 5: Solve for x
   x = 3,397,120,824,384/1,178,208
6. Step 6: Final answer
   x = 2,883,294.65