Finding the Third Proportional to 624,408 and 1,343,586

Step by Step Solution

1. Step 1: Write the proportion equation
   624,408 : 1,343,586 = 1,343,586 : x
2. Step 2: Convert to fraction form
   624,408/1,343,586 = 1,343,586/x
3. Step 3: Cross multiply
   624,408x = 1,343,586 × 1,343,586
4. Step 4: Simplify right side
   624,408x = 1,805,223,339,396
5. Step 5: Solve for x
   x = 1,805,223,339,396/624,408
6. Step 6: Final answer
   x = 2,891,095.79