Finding the Third Proportional to 1,276,707 and 1,979,577

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,707 : 1,979,577 = 1,979,577 : x
2. Step 2: Convert to fraction form
   1,276,707/1,979,577 = 1,979,577/x
3. Step 3: Cross multiply
   1,276,707x = 1,979,577 × 1,979,577
4. Step 4: Simplify right side
   1,276,707x = 3,918,725,098,929
5. Step 5: Solve for x
   x = 3,918,725,098,929/1,276,707
6. Step 6: Final answer
   x = 3,069,400.50