Finding the Third Proportional to 179,715 and 268,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,715 : 268,018.50 = 268,018.50 : x
2. Step 2: Convert to fraction form
   179,715/268,018.50 = 268,018.50/x
3. Step 3: Cross multiply
   179,715x = 268,018.50 × 268,018.50
4. Step 4: Simplify right side
   179,715x = 71,833,916,342.25
5. Step 5: Solve for x
   x = 71,833,916,342.25/179,715
6. Step 6: Final answer
   x = 399,710.19