Finding the Third Proportional to 179,139 and 386,250

Step by Step Solution

1. Step 1: Write the proportion equation
   179,139 : 386,250 = 386,250 : x
2. Step 2: Convert to fraction form
   179,139/386,250 = 386,250/x
3. Step 3: Cross multiply
   179,139x = 386,250 × 386,250
4. Step 4: Simplify right side
   179,139x = 149,189,062,500
5. Step 5: Solve for x
   x = 149,189,062,500/179,139
6. Step 6: Final answer
   x = 832,811.74