Finding the Third Proportional to 344,160 and 483,789

Step by Step Solution

1. Step 1: Write the proportion equation
   344,160 : 483,789 = 483,789 : x
2. Step 2: Convert to fraction form
   344,160/483,789 = 483,789/x
3. Step 3: Cross multiply
   344,160x = 483,789 × 483,789
4. Step 4: Simplify right side
   344,160x = 234,051,796,521
5. Step 5: Solve for x
   x = 234,051,796,521/344,160
6. Step 6: Final answer
   x = 680,066.82