Finding the Third Proportional to 288,174.38 and 626,184

Step by Step Solution

1. Step 1: Write the proportion equation
   288,174.38 : 626,184 = 626,184 : x
2. Step 2: Convert to fraction form
   288,174.38/626,184 = 626,184/x
3. Step 3: Cross multiply
   288,174.38x = 626,184 × 626,184
4. Step 4: Simplify right side
   288,174.38x = 392,106,401,856
5. Step 5: Solve for x
   x = 392,106,401,856/288,174.38
6. Step 6: Final answer
   x = 1,360,656.73