Finding the Third Proportional to 977,826 and 2,165,608

Step by Step Solution

1. Step 1: Write the proportion equation
   977,826 : 2,165,608 = 2,165,608 : x
2. Step 2: Convert to fraction form
   977,826/2,165,608 = 2,165,608/x
3. Step 3: Cross multiply
   977,826x = 2,165,608 × 2,165,608
4. Step 4: Simplify right side
   977,826x = 4,689,858,009,664
5. Step 5: Solve for x
   x = 4,689,858,009,664/977,826
6. Step 6: Final answer
   x = 4,796,209.15