Finding the Third Proportional to 977,828 and 2,165,612

Step by Step Solution

1. Step 1: Write the proportion equation
   977,828 : 2,165,612 = 2,165,612 : x
2. Step 2: Convert to fraction form
   977,828/2,165,612 = 2,165,612/x
3. Step 3: Cross multiply
   977,828x = 2,165,612 × 2,165,612
4. Step 4: Simplify right side
   977,828x = 4,689,875,334,544
5. Step 5: Solve for x
   x = 4,689,875,334,544/977,828
6. Step 6: Final answer
   x = 4,796,217.06