Finding the Third Proportional to 681,878 and 1,043,580

Step by Step Solution

1. Step 1: Write the proportion equation
   681,878 : 1,043,580 = 1,043,580 : x
2. Step 2: Convert to fraction form
   681,878/1,043,580 = 1,043,580/x
3. Step 3: Cross multiply
   681,878x = 1,043,580 × 1,043,580
4. Step 4: Simplify right side
   681,878x = 1,089,059,216,400
5. Step 5: Solve for x
   x = 1,089,059,216,400/681,878
6. Step 6: Final answer
   x = 1,597,146.73