Finding the Third Proportional to 12,729 and 30,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729 : 30,096.50 = 30,096.50 : x
2. Step 2: Convert to fraction form
   12,729/30,096.50 = 30,096.50/x
3. Step 3: Cross multiply
   12,729x = 30,096.50 × 30,096.50
4. Step 4: Simplify right side
   12,729x = 905,799,312.25
5. Step 5: Solve for x
   x = 905,799,312.25/12,729
6. Step 6: Final answer
   x = 71,160.29