Finding the Third Proportional to 617,740 and 1,353,578

Step by Step Solution

1. Step 1: Write the proportion equation
   617,740 : 1,353,578 = 1,353,578 : x
2. Step 2: Convert to fraction form
   617,740/1,353,578 = 1,353,578/x
3. Step 3: Cross multiply
   617,740x = 1,353,578 × 1,353,578
4. Step 4: Simplify right side
   617,740x = 1,832,173,402,084
5. Step 5: Solve for x
   x = 1,832,173,402,084/617,740
6. Step 6: Final answer
   x = 2,965,929.68