Finding the Third Proportional to 355,224 and 760,980

Step by Step Solution

1. Step 1: Write the proportion equation
   355,224 : 760,980 = 760,980 : x
2. Step 2: Convert to fraction form
   355,224/760,980 = 760,980/x
3. Step 3: Cross multiply
   355,224x = 760,980 × 760,980
4. Step 4: Simplify right side
   355,224x = 579,090,560,400
5. Step 5: Solve for x
   x = 579,090,560,400/355,224
6. Step 6: Final answer
   x = 1,630,212.37