Finding the Third Proportional to 1,590,699 and 2,409,219

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,699 : 2,409,219 = 2,409,219 : x
2. Step 2: Convert to fraction form
   1,590,699/2,409,219 = 2,409,219/x
3. Step 3: Cross multiply
   1,590,699x = 2,409,219 × 2,409,219
4. Step 4: Simplify right side
   1,590,699x = 5,804,336,189,961
5. Step 5: Solve for x
   x = 5,804,336,189,961/1,590,699
6. Step 6: Final answer
   x = 3,648,921.76