Finding the Third Proportional to 3,173,854.50 and 7,491,036

Step by Step Solution

1. Step 1: Write the proportion equation
   3,173,854.50 : 7,491,036 = 7,491,036 : x
2. Step 2: Convert to fraction form
   3,173,854.50/7,491,036 = 7,491,036/x
3. Step 3: Cross multiply
   3,173,854.50x = 7,491,036 × 7,491,036
4. Step 4: Simplify right side
   3,173,854.50x = 56,115,620,353,296
5. Step 5: Solve for x
   x = 56,115,620,353,296/3,173,854.50
6. Step 6: Final answer
   x = 17,680,590.07