Finding the Third Proportional to 1,719,540 and 3,643,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,540 : 3,643,902 = 3,643,902 : x
2. Step 2: Convert to fraction form
   1,719,540/3,643,902 = 3,643,902/x
3. Step 3: Cross multiply
   1,719,540x = 3,643,902 × 3,643,902
4. Step 4: Simplify right side
   1,719,540x = 13,278,021,785,604
5. Step 5: Solve for x
   x = 13,278,021,785,604/1,719,540
6. Step 6: Final answer
   x = 7,721,845.25