Finding the Third Proportional to 3,427.50 and 7,488.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,427.50 : 7,488.75 = 7,488.75 : x
2. Step 2: Convert to fraction form
   3,427.50/7,488.75 = 7,488.75/x
3. Step 3: Cross multiply
   3,427.50x = 7,488.75 × 7,488.75
4. Step 4: Simplify right side
   3,427.50x = 56,081,376.56
5. Step 5: Solve for x
   x = 56,081,376.56/3,427.50
6. Step 6: Final answer
   x = 16,362.18