Finding the Third Proportional to 1,202,950 and 2,505,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,950 : 2,505,420 = 2,505,420 : x
2. Step 2: Convert to fraction form
   1,202,950/2,505,420 = 2,505,420/x
3. Step 3: Cross multiply
   1,202,950x = 2,505,420 × 2,505,420
4. Step 4: Simplify right side
   1,202,950x = 6,277,129,376,400
5. Step 5: Solve for x
   x = 6,277,129,376,400/1,202,950
6. Step 6: Final answer
   x = 5,218,113.29