Finding the Third Proportional to 1,505,199 and 2,145,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,199 : 2,145,688 = 2,145,688 : x
2. Step 2: Convert to fraction form
   1,505,199/2,145,688 = 2,145,688/x
3. Step 3: Cross multiply
   1,505,199x = 2,145,688 × 2,145,688
4. Step 4: Simplify right side
   1,505,199x = 4,603,976,993,344
5. Step 5: Solve for x
   x = 4,603,976,993,344/1,505,199
6. Step 6: Final answer
   x = 3,058,716.48