Finding the Third Proportional to 1,575,878 and 2,307,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,878 : 2,307,920 = 2,307,920 : x
2. Step 2: Convert to fraction form
   1,575,878/2,307,920 = 2,307,920/x
3. Step 3: Cross multiply
   1,575,878x = 2,307,920 × 2,307,920
4. Step 4: Simplify right side
   1,575,878x = 5,326,494,726,400
5. Step 5: Solve for x
   x = 5,326,494,726,400/1,575,878
6. Step 6: Final answer
   x = 3,380,017.19