Finding the Third Proportional to 1,355,492 and 1,807,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,492 : 1,807,118 = 1,807,118 : x
2. Step 2: Convert to fraction form
   1,355,492/1,807,118 = 1,807,118/x
3. Step 3: Cross multiply
   1,355,492x = 1,807,118 × 1,807,118
4. Step 4: Simplify right side
   1,355,492x = 3,265,675,465,924
5. Step 5: Solve for x
   x = 3,265,675,465,924/1,355,492
6. Step 6: Final answer
   x = 2,409,217.81