Finding the Third Proportional to 978,894 and 1,378,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   978,894 : 1,378,525.50 = 1,378,525.50 : x
2. Step 2: Convert to fraction form
   978,894/1,378,525.50 = 1,378,525.50/x
3. Step 3: Cross multiply
   978,894x = 1,378,525.50 × 1,378,525.50
4. Step 4: Simplify right side
   978,894x = 1,900,332,554,150.25
5. Step 5: Solve for x
   x = 1,900,332,554,150.25/978,894
6. Step 6: Final answer
   x = 1,941,305.75