Finding the Third Proportional to 5,113.50 and 7,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113.50 : 7,670.50 = 7,670.50 : x
2. Step 2: Convert to fraction form
   5,113.50/7,670.50 = 7,670.50/x
3. Step 3: Cross multiply
   5,113.50x = 7,670.50 × 7,670.50
4. Step 4: Simplify right side
   5,113.50x = 58,836,570.25
5. Step 5: Solve for x
   x = 58,836,570.25/5,113.50
6. Step 6: Final answer
   x = 11,506.13