Finding the Third Proportional to 1,719,534 and 3,643,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,534 : 3,643,890 = 3,643,890 : x
2. Step 2: Convert to fraction form
   1,719,534/3,643,890 = 3,643,890/x
3. Step 3: Cross multiply
   1,719,534x = 3,643,890 × 3,643,890
4. Step 4: Simplify right side
   1,719,534x = 13,277,934,332,100
5. Step 5: Solve for x
   x = 13,277,934,332,100/1,719,534
6. Step 6: Final answer
   x = 7,721,821.34