Finding the Third Proportional to 5,898.75 and 12,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898.75 : 12,931.50 = 12,931.50 : x
2. Step 2: Convert to fraction form
   5,898.75/12,931.50 = 12,931.50/x
3. Step 3: Cross multiply
   5,898.75x = 12,931.50 × 12,931.50
4. Step 4: Simplify right side
   5,898.75x = 167,223,692.25
5. Step 5: Solve for x
   x = 167,223,692.25/5,898.75
6. Step 6: Final answer
   x = 28,349.00