Finding the Third Proportional to 141,963.50 and 288,099

Step by Step Solution

1. Step 1: Write the proportion equation
   141,963.50 : 288,099 = 288,099 : x
2. Step 2: Convert to fraction form
   141,963.50/288,099 = 288,099/x
3. Step 3: Cross multiply
   141,963.50x = 288,099 × 288,099
4. Step 4: Simplify right side
   141,963.50x = 83,001,033,801
5. Step 5: Solve for x
   x = 83,001,033,801/141,963.50
6. Step 6: Final answer
   x = 584,664.61