Finding the Third Proportional to 7,379.50 and 15,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,379.50 : 15,931.50 = 15,931.50 : x
2. Step 2: Convert to fraction form
   7,379.50/15,931.50 = 15,931.50/x
3. Step 3: Cross multiply
   7,379.50x = 15,931.50 × 15,931.50
4. Step 4: Simplify right side
   7,379.50x = 253,812,692.25
5. Step 5: Solve for x
   x = 253,812,692.25/7,379.50
6. Step 6: Final answer
   x = 34,394.29