Finding the Third Proportional to 1,202,132 and 2,538,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,132 : 2,538,400 = 2,538,400 : x
2. Step 2: Convert to fraction form
   1,202,132/2,538,400 = 2,538,400/x
3. Step 3: Cross multiply
   1,202,132x = 2,538,400 × 2,538,400
4. Step 4: Simplify right side
   1,202,132x = 6,443,474,560,000
5. Step 5: Solve for x
   x = 6,443,474,560,000/1,202,132
6. Step 6: Final answer
   x = 5,360,039.13