Finding the Third Proportional to 617,118 and 1,349,580

Step by Step Solution

1. Step 1: Write the proportion equation
   617,118 : 1,349,580 = 1,349,580 : x
2. Step 2: Convert to fraction form
   617,118/1,349,580 = 1,349,580/x
3. Step 3: Cross multiply
   617,118x = 1,349,580 × 1,349,580
4. Step 4: Simplify right side
   617,118x = 1,821,366,176,400
5. Step 5: Solve for x
   x = 1,821,366,176,400/617,118
6. Step 6: Final answer
   x = 2,951,406.66