Finding the Third Proportional to 1,590,666 and 2,409,165

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,666 : 2,409,165 = 2,409,165 : x
2. Step 2: Convert to fraction form
   1,590,666/2,409,165 = 2,409,165/x
3. Step 3: Cross multiply
   1,590,666x = 2,409,165 × 2,409,165
4. Step 4: Simplify right side
   1,590,666x = 5,804,075,997,225
5. Step 5: Solve for x
   x = 5,804,075,997,225/1,590,666
6. Step 6: Final answer
   x = 3,648,833.88