Finding the Third Proportional to 1,129,131 and 2,421,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,131 : 2,421,990 = 2,421,990 : x
2. Step 2: Convert to fraction form
   1,129,131/2,421,990 = 2,421,990/x
3. Step 3: Cross multiply
   1,129,131x = 2,421,990 × 2,421,990
4. Step 4: Simplify right side
   1,129,131x = 5,866,035,560,100
5. Step 5: Solve for x
   x = 5,866,035,560,100/1,129,131
6. Step 6: Final answer
   x = 5,195,177.14