Finding the Third Proportional to 978,930 and 1,378,572

Step by Step Solution

1. Step 1: Write the proportion equation
   978,930 : 1,378,572 = 1,378,572 : x
2. Step 2: Convert to fraction form
   978,930/1,378,572 = 1,378,572/x
3. Step 3: Cross multiply
   978,930x = 1,378,572 × 1,378,572
4. Step 4: Simplify right side
   978,930x = 1,900,460,759,184
5. Step 5: Solve for x
   x = 1,900,460,759,184/978,930
6. Step 6: Final answer
   x = 1,941,365.33