Finding the Third Proportional to 617,840 and 1,353,762

Step by Step Solution

1. Step 1: Write the proportion equation
   617,840 : 1,353,762 = 1,353,762 : x
2. Step 2: Convert to fraction form
   617,840/1,353,762 = 1,353,762/x
3. Step 3: Cross multiply
   617,840x = 1,353,762 × 1,353,762
4. Step 4: Simplify right side
   617,840x = 1,832,671,552,644
5. Step 5: Solve for x
   x = 1,832,671,552,644/617,840
6. Step 6: Final answer
   x = 2,966,255.91