Finding the Third Proportional to 13,730.50 and 29,978

Step by Step Solution

1. Step 1: Write the proportion equation
   13,730.50 : 29,978 = 29,978 : x
2. Step 2: Convert to fraction form
   13,730.50/29,978 = 29,978/x
3. Step 3: Cross multiply
   13,730.50x = 29,978 × 29,978
4. Step 4: Simplify right side
   13,730.50x = 898,680,484
5. Step 5: Solve for x
   x = 898,680,484/13,730.50
6. Step 6: Final answer
   x = 65,451.40