Finding the Third Proportional to 588,076.50 and 864,885

Step by Step Solution

1. Step 1: Write the proportion equation
   588,076.50 : 864,885 = 864,885 : x
2. Step 2: Convert to fraction form
   588,076.50/864,885 = 864,885/x
3. Step 3: Cross multiply
   588,076.50x = 864,885 × 864,885
4. Step 4: Simplify right side
   588,076.50x = 748,026,063,225
5. Step 5: Solve for x
   x = 748,026,063,225/588,076.50
6. Step 6: Final answer
   x = 1,271,987.68