Finding the Third Proportional to 681,189 and 1,445,412

Step by Step Solution

1. Step 1: Write the proportion equation
   681,189 : 1,445,412 = 1,445,412 : x
2. Step 2: Convert to fraction form
   681,189/1,445,412 = 1,445,412/x
3. Step 3: Cross multiply
   681,189x = 1,445,412 × 1,445,412
4. Step 4: Simplify right side
   681,189x = 2,089,215,849,744
5. Step 5: Solve for x
   x = 2,089,215,849,744/681,189
6. Step 6: Final answer
   x = 3,067,013.49