Finding the Third Proportional to 1,276,590 and 1,976,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,590 : 1,976,712 = 1,976,712 : x
2. Step 2: Convert to fraction form
   1,276,590/1,976,712 = 1,976,712/x
3. Step 3: Cross multiply
   1,276,590x = 1,976,712 × 1,976,712
4. Step 4: Simplify right side
   1,276,590x = 3,907,390,330,944
5. Step 5: Solve for x
   x = 3,907,390,330,944/1,276,590
6. Step 6: Final answer
   x = 3,060,802.87