Finding the Third Proportional to 1,590,603 and 2,409,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,603 : 2,409,072 = 2,409,072 : x
2. Step 2: Convert to fraction form
   1,590,603/2,409,072 = 2,409,072/x
3. Step 3: Cross multiply
   1,590,603x = 2,409,072 × 2,409,072
4. Step 4: Simplify right side
   1,590,603x = 5,803,627,901,184
5. Step 5: Solve for x
   x = 5,803,627,901,184/1,590,603
6. Step 6: Final answer
   x = 3,648,696.69