Finding the Third Proportional to 1,267,872 and 1,969,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,872 : 1,969,520 = 1,969,520 : x
2. Step 2: Convert to fraction form
   1,267,872/1,969,520 = 1,969,520/x
3. Step 3: Cross multiply
   1,267,872x = 1,969,520 × 1,969,520
4. Step 4: Simplify right side
   1,267,872x = 3,879,009,030,400
5. Step 5: Solve for x
   x = 3,879,009,030,400/1,267,872
6. Step 6: Final answer
   x = 3,059,464.23