Finding the Third Proportional to 1,139,396 and 1,763,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,396 : 1,763,680 = 1,763,680 : x
2. Step 2: Convert to fraction form
   1,139,396/1,763,680 = 1,763,680/x
3. Step 3: Cross multiply
   1,139,396x = 1,763,680 × 1,763,680
4. Step 4: Simplify right side
   1,139,396x = 3,110,567,142,400
5. Step 5: Solve for x
   x = 3,110,567,142,400/1,139,396
6. Step 6: Final answer
   x = 2,730,014.10