Finding the Third Proportional to 1,212,135 and 1,807,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,135 : 1,807,692 = 1,807,692 : x
2. Step 2: Convert to fraction form
   1,212,135/1,807,692 = 1,807,692/x
3. Step 3: Cross multiply
   1,212,135x = 1,807,692 × 1,807,692
4. Step 4: Simplify right side
   1,212,135x = 3,267,750,366,864
5. Step 5: Solve for x
   x = 3,267,750,366,864/1,212,135
6. Step 6: Final answer
   x = 2,695,863.39