Finding the Third Proportional to 1,605,603 and 2,186,950

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,603 : 2,186,950 = 2,186,950 : x
2. Step 2: Convert to fraction form
   1,605,603/2,186,950 = 2,186,950/x
3. Step 3: Cross multiply
   1,605,603x = 2,186,950 × 2,186,950
4. Step 4: Simplify right side
   1,605,603x = 4,782,750,302,500
5. Step 5: Solve for x
   x = 4,782,750,302,500/1,605,603
6. Step 6: Final answer
   x = 2,978,787.60