Finding the Third Proportional to 192,699 and 288,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,699 : 288,076.50 = 288,076.50 : x
2. Step 2: Convert to fraction form
   192,699/288,076.50 = 288,076.50/x
3. Step 3: Cross multiply
   192,699x = 288,076.50 × 288,076.50
4. Step 4: Simplify right side
   192,699x = 82,988,069,852.25
5. Step 5: Solve for x
   x = 82,988,069,852.25/192,699
6. Step 6: Final answer
   x = 430,661.65