Finding the Third Proportional to 359,482 and 550,131

Step by Step Solution

1. Step 1: Write the proportion equation
   359,482 : 550,131 = 550,131 : x
2. Step 2: Convert to fraction form
   359,482/550,131 = 550,131/x
3. Step 3: Cross multiply
   359,482x = 550,131 × 550,131
4. Step 4: Simplify right side
   359,482x = 302,644,117,161
5. Step 5: Solve for x
   x = 302,644,117,161/359,482
6. Step 6: Final answer
   x = 841,889.49