Finding the Third Proportional to 1,355,494 and 1,807,121

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,494 : 1,807,121 = 1,807,121 : x
2. Step 2: Convert to fraction form
   1,355,494/1,807,121 = 1,807,121/x
3. Step 3: Cross multiply
   1,355,494x = 1,807,121 × 1,807,121
4. Step 4: Simplify right side
   1,355,494x = 3,265,686,308,641
5. Step 5: Solve for x
   x = 3,265,686,308,641/1,355,494
6. Step 6: Final answer
   x = 2,409,222.25