Finding the Third Proportional to 3,459.90 and 5,074.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,459.90 : 5,074.52 = 5,074.52 : x
2. Step 2: Convert to fraction form
   3,459.90/5,074.52 = 5,074.52/x
3. Step 3: Cross multiply
   3,459.90x = 5,074.52 × 5,074.52
4. Step 4: Simplify right side
   3,459.90x = 25,750,788.12
5. Step 5: Solve for x
   x = 25,750,788.12/3,459.90
6. Step 6: Final answer
   x = 7,442.63