Finding the Third Proportional to 1,590,638 and 2,409,124

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,638 : 2,409,124 = 2,409,124 : x
2. Step 2: Convert to fraction form
   1,590,638/2,409,124 = 2,409,124/x
3. Step 3: Cross multiply
   1,590,638x = 2,409,124 × 2,409,124
4. Step 4: Simplify right side
   1,590,638x = 5,803,878,447,376
5. Step 5: Solve for x
   x = 5,803,878,447,376/1,590,638
6. Step 6: Final answer
   x = 3,648,773.92