Finding the Third Proportional to 578,500 and 1,245,902

Step by Step Solution

1. Step 1: Write the proportion equation
   578,500 : 1,245,902 = 1,245,902 : x
2. Step 2: Convert to fraction form
   578,500/1,245,902 = 1,245,902/x
3. Step 3: Cross multiply
   578,500x = 1,245,902 × 1,245,902
4. Step 4: Simplify right side
   578,500x = 1,552,271,793,604
5. Step 5: Solve for x
   x = 1,552,271,793,604/578,500
6. Step 6: Final answer
   x = 2,683,270.17