Finding the Third Proportional to 682,587 and 918,897.75

Step by Step Solution

1. Step 1: Write the proportion equation
   682,587 : 918,897.75 = 918,897.75 : x
2. Step 2: Convert to fraction form
   682,587/918,897.75 = 918,897.75/x
3. Step 3: Cross multiply
   682,587x = 918,897.75 × 918,897.75
4. Step 4: Simplify right side
   682,587x = 844,373,074,955.06
5. Step 5: Solve for x
   x = 844,373,074,955.06/682,587
6. Step 6: Final answer
   x = 1,237,018.98