Finding the Third Proportional to 1,590,679 and 2,409,185

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,679 : 2,409,185 = 2,409,185 : x
2. Step 2: Convert to fraction form
   1,590,679/2,409,185 = 2,409,185/x
3. Step 3: Cross multiply
   1,590,679x = 2,409,185 × 2,409,185
4. Step 4: Simplify right side
   1,590,679x = 5,804,172,364,225
5. Step 5: Solve for x
   x = 5,804,172,364,225/1,590,679
6. Step 6: Final answer
   x = 3,648,864.64