Finding the Third Proportional to 80,748 and 176,886

Step by Step Solution

1. Step 1: Write the proportion equation
   80,748 : 176,886 = 176,886 : x
2. Step 2: Convert to fraction form
   80,748/176,886 = 176,886/x
3. Step 3: Cross multiply
   80,748x = 176,886 × 176,886
4. Step 4: Simplify right side
   80,748x = 31,288,656,996
5. Step 5: Solve for x
   x = 31,288,656,996/80,748
6. Step 6: Final answer
   x = 387,485.23