Finding the Third Proportional to 844,940 and 1,878,790

Step by Step Solution

1. Step 1: Write the proportion equation
   844,940 : 1,878,790 = 1,878,790 : x
2. Step 2: Convert to fraction form
   844,940/1,878,790 = 1,878,790/x
3. Step 3: Cross multiply
   844,940x = 1,878,790 × 1,878,790
4. Step 4: Simplify right side
   844,940x = 3,529,851,864,100
5. Step 5: Solve for x
   x = 3,529,851,864,100/844,940
6. Step 6: Final answer
   x = 4,177,636.12