Finding the Third Proportional to 977,272 and 2,102,288

Step by Step Solution

1. Step 1: Write the proportion equation
   977,272 : 2,102,288 = 2,102,288 : x
2. Step 2: Convert to fraction form
   977,272/2,102,288 = 2,102,288/x
3. Step 3: Cross multiply
   977,272x = 2,102,288 × 2,102,288
4. Step 4: Simplify right side
   977,272x = 4,419,614,834,944
5. Step 5: Solve for x
   x = 4,419,614,834,944/977,272
6. Step 6: Final answer
   x = 4,522,399.94