Finding the Third Proportional to 288,175.50 and 626,186

Step by Step Solution

1. Step 1: Write the proportion equation
   288,175.50 : 626,186 = 626,186 : x
2. Step 2: Convert to fraction form
   288,175.50/626,186 = 626,186/x
3. Step 3: Cross multiply
   288,175.50x = 626,186 × 626,186
4. Step 4: Simplify right side
   288,175.50x = 392,108,906,596
5. Step 5: Solve for x
   x = 392,108,906,596/288,175.50
6. Step 6: Final answer
   x = 1,360,660.11