Finding the Third Proportional to 147,436 and 346,556

Step by Step Solution

1. Step 1: Write the proportion equation
   147,436 : 346,556 = 346,556 : x
2. Step 2: Convert to fraction form
   147,436/346,556 = 346,556/x
3. Step 3: Cross multiply
   147,436x = 346,556 × 346,556
4. Step 4: Simplify right side
   147,436x = 120,101,061,136
5. Step 5: Solve for x
   x = 120,101,061,136/147,436
6. Step 6: Final answer
   x = 814,597.93