Finding the Third Proportional to 179,900 and 387,012

Step by Step Solution

1. Step 1: Write the proportion equation
   179,900 : 387,012 = 387,012 : x
2. Step 2: Convert to fraction form
   179,900/387,012 = 387,012/x
3. Step 3: Cross multiply
   179,900x = 387,012 × 387,012
4. Step 4: Simplify right side
   179,900x = 149,778,288,144
5. Step 5: Solve for x
   x = 149,778,288,144/179,900
6. Step 6: Final answer
   x = 832,564.14