Finding the Third Proportional to 133,102.50 and 288,662

Step by Step Solution

1. Step 1: Write the proportion equation
   133,102.50 : 288,662 = 288,662 : x
2. Step 2: Convert to fraction form
   133,102.50/288,662 = 288,662/x
3. Step 3: Cross multiply
   133,102.50x = 288,662 × 288,662
4. Step 4: Simplify right side
   133,102.50x = 83,325,750,244
5. Step 5: Solve for x
   x = 83,325,750,244/133,102.50
6. Step 6: Final answer
   x = 626,026.94