Finding the Third Proportional to 29,729.53 and 64,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   29,729.53 : 64,789.88 = 64,789.88 : x
2. Step 2: Convert to fraction form
   29,729.53/64,789.88 = 64,789.88/x
3. Step 3: Cross multiply
   29,729.53x = 64,789.88 × 64,789.88
4. Step 4: Simplify right side
   29,729.53x = 4,197,727,902.52
5. Step 5: Solve for x
   x = 4,197,727,902.52/29,729.53
6. Step 6: Final answer
   x = 141,197.24