Finding the Third Proportional to 767,878 and 1,671,199

Step by Step Solution

1. Step 1: Write the proportion equation
   767,878 : 1,671,199 = 1,671,199 : x
2. Step 2: Convert to fraction form
   767,878/1,671,199 = 1,671,199/x
3. Step 3: Cross multiply
   767,878x = 1,671,199 × 1,671,199
4. Step 4: Simplify right side
   767,878x = 2,792,906,097,601
5. Step 5: Solve for x
   x = 2,792,906,097,601/767,878
6. Step 6: Final answer
   x = 3,637,174.26