Finding the Third Proportional to 239,953.25 and 555,507

Step by Step Solution

1. Step 1: Write the proportion equation
   239,953.25 : 555,507 = 555,507 : x
2. Step 2: Convert to fraction form
   239,953.25/555,507 = 555,507/x
3. Step 3: Cross multiply
   239,953.25x = 555,507 × 555,507
4. Step 4: Simplify right side
   239,953.25x = 308,588,027,049
5. Step 5: Solve for x
   x = 308,588,027,049/239,953.25
6. Step 6: Final answer
   x = 1,286,033.95