Finding the Third Proportional to 148,087.50 and 288,794

Step by Step Solution

1. Step 1: Write the proportion equation
   148,087.50 : 288,794 = 288,794 : x
2. Step 2: Convert to fraction form
   148,087.50/288,794 = 288,794/x
3. Step 3: Cross multiply
   148,087.50x = 288,794 × 288,794
4. Step 4: Simplify right side
   148,087.50x = 83,401,974,436
5. Step 5: Solve for x
   x = 83,401,974,436/148,087.50
6. Step 6: Final answer
   x = 563,193.88