Finding the Third Proportional to 977,268 and 2,121,648

Step by Step Solution

1. Step 1: Write the proportion equation
   977,268 : 2,121,648 = 2,121,648 : x
2. Step 2: Convert to fraction form
   977,268/2,121,648 = 2,121,648/x
3. Step 3: Cross multiply
   977,268x = 2,121,648 × 2,121,648
4. Step 4: Simplify right side
   977,268x = 4,501,390,235,904
5. Step 5: Solve for x
   x = 4,501,390,235,904/977,268
6. Step 6: Final answer
   x = 4,606,096.01