Finding the Third Proportional to 1,618,058 and 3,518,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,058 : 3,518,500 = 3,518,500 : x
2. Step 2: Convert to fraction form
   1,618,058/3,518,500 = 3,518,500/x
3. Step 3: Cross multiply
   1,618,058x = 3,518,500 × 3,518,500
4. Step 4: Simplify right side
   1,618,058x = 12,379,842,250,000
5. Step 5: Solve for x
   x = 12,379,842,250,000/1,618,058
6. Step 6: Final answer
   x = 7,651,049.75