Finding the Third Proportional to 328,748.63 and 491,796.56

Step by Step Solution

1. Step 1: Write the proportion equation
   328,748.63 : 491,796.56 = 491,796.56 : x
2. Step 2: Convert to fraction form
   328,748.63/491,796.56 = 491,796.56/x
3. Step 3: Cross multiply
   328,748.63x = 491,796.56 × 491,796.56
4. Step 4: Simplify right side
   328,748.63x = 241,863,858,886.82
5. Step 5: Solve for x
   x = 241,863,858,886.82/328,748.63
6. Step 6: Final answer
   x = 735,710.63