Finding the Third Proportional to 602,680.50 and 818,514

Step by Step Solution

1. Step 1: Write the proportion equation
   602,680.50 : 818,514 = 818,514 : x
2. Step 2: Convert to fraction form
   602,680.50/818,514 = 818,514/x
3. Step 3: Cross multiply
   602,680.50x = 818,514 × 818,514
4. Step 4: Simplify right side
   602,680.50x = 669,965,168,196
5. Step 5: Solve for x
   x = 669,965,168,196/602,680.50
6. Step 6: Final answer
   x = 1,111,642.35