Finding the Third Proportional to 1,394,496 and 2,154,807

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,496 : 2,154,807 = 2,154,807 : x
2. Step 2: Convert to fraction form
   1,394,496/2,154,807 = 2,154,807/x
3. Step 3: Cross multiply
   1,394,496x = 2,154,807 × 2,154,807
4. Step 4: Simplify right side
   1,394,496x = 4,643,193,207,249
5. Step 5: Solve for x
   x = 4,643,193,207,249/1,394,496
6. Step 6: Final answer
   x = 3,329,656.88