Finding the Third Proportional to 131,774.25 and 288,942

Step by Step Solution

1. Step 1: Write the proportion equation
   131,774.25 : 288,942 = 288,942 : x
2. Step 2: Convert to fraction form
   131,774.25/288,942 = 288,942/x
3. Step 3: Cross multiply
   131,774.25x = 288,942 × 288,942
4. Step 4: Simplify right side
   131,774.25x = 83,487,479,364
5. Step 5: Solve for x
   x = 83,487,479,364/131,774.25
6. Step 6: Final answer
   x = 633,564.44