Finding the Third Proportional to 181,773 and 279,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,773 : 279,031.50 = 279,031.50 : x
2. Step 2: Convert to fraction form
   181,773/279,031.50 = 279,031.50/x
3. Step 3: Cross multiply
   181,773x = 279,031.50 × 279,031.50
4. Step 4: Simplify right side
   181,773x = 77,858,577,992.25
5. Step 5: Solve for x
   x = 77,858,577,992.25/181,773
6. Step 6: Final answer
   x = 428,328.62