Finding the Third Proportional to 1,590,680 and 2,409,186

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,680 : 2,409,186 = 2,409,186 : x
2. Step 2: Convert to fraction form
   1,590,680/2,409,186 = 2,409,186/x
3. Step 3: Cross multiply
   1,590,680x = 2,409,186 × 2,409,186
4. Step 4: Simplify right side
   1,590,680x = 5,804,177,182,596
5. Step 5: Solve for x
   x = 5,804,177,182,596/1,590,680
6. Step 6: Final answer
   x = 3,648,865.38