Finding the Third Proportional to 2,659,680 and 5,850,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,680 : 5,850,720 = 5,850,720 : x
2. Step 2: Convert to fraction form
   2,659,680/5,850,720 = 5,850,720/x
3. Step 3: Cross multiply
   2,659,680x = 5,850,720 × 5,850,720
4. Step 4: Simplify right side
   2,659,680x = 34,230,924,518,400
5. Step 5: Solve for x
   x = 34,230,924,518,400/2,659,680
6. Step 6: Final answer
   x = 12,870,316.92