Finding the Third Proportional to 353,997 and 524,359.88

Step by Step Solution

1. Step 1: Write the proportion equation
   353,997 : 524,359.88 = 524,359.88 : x
2. Step 2: Convert to fraction form
   353,997/524,359.88 = 524,359.88/x
3. Step 3: Cross multiply
   353,997x = 524,359.88 × 524,359.88
4. Step 4: Simplify right side
   353,997x = 274,953,278,510.02
5. Step 5: Solve for x
   x = 274,953,278,510.02/353,997
6. Step 6: Final answer
   x = 776,710.76