Finding the Third Proportional to 63,179 and 137,428

Step by Step Solution

1. Step 1: Write the proportion equation
   63,179 : 137,428 = 137,428 : x
2. Step 2: Convert to fraction form
   63,179/137,428 = 137,428/x
3. Step 3: Cross multiply
   63,179x = 137,428 × 137,428
4. Step 4: Simplify right side
   63,179x = 18,886,455,184
5. Step 5: Solve for x
   x = 18,886,455,184/63,179
6. Step 6: Final answer
   x = 298,935.65