Finding the Third Proportional to 977,890 and 1,555,936

Step by Step Solution

1. Step 1: Write the proportion equation
   977,890 : 1,555,936 = 1,555,936 : x
2. Step 2: Convert to fraction form
   977,890/1,555,936 = 1,555,936/x
3. Step 3: Cross multiply
   977,890x = 1,555,936 × 1,555,936
4. Step 4: Simplify right side
   977,890x = 2,420,936,836,096
5. Step 5: Solve for x
   x = 2,420,936,836,096/977,890
6. Step 6: Final answer
   x = 2,475,673.99