Finding the Third Proportional to 1,276,592 and 1,976,603

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,592 : 1,976,603 = 1,976,603 : x
2. Step 2: Convert to fraction form
   1,276,592/1,976,603 = 1,976,603/x
3. Step 3: Cross multiply
   1,276,592x = 1,976,603 × 1,976,603
4. Step 4: Simplify right side
   1,276,592x = 3,906,959,419,609
5. Step 5: Solve for x
   x = 3,906,959,419,609/1,276,592
6. Step 6: Final answer
   x = 3,060,460.52