Finding the Third Proportional to 624,405 and 1,353,788

Step by Step Solution

1. Step 1: Write the proportion equation
   624,405 : 1,353,788 = 1,353,788 : x
2. Step 2: Convert to fraction form
   624,405/1,353,788 = 1,353,788/x
3. Step 3: Cross multiply
   624,405x = 1,353,788 × 1,353,788
4. Step 4: Simplify right side
   624,405x = 1,832,741,948,944
5. Step 5: Solve for x
   x = 1,832,741,948,944/624,405
6. Step 6: Final answer
   x = 2,935,181.41