Finding the Third Proportional to 49,776 and 77,184

Step by Step Solution

1. Step 1: Write the proportion equation
   49,776 : 77,184 = 77,184 : x
2. Step 2: Convert to fraction form
   49,776/77,184 = 77,184/x
3. Step 3: Cross multiply
   49,776x = 77,184 × 77,184
4. Step 4: Simplify right side
   49,776x = 5,957,369,856
5. Step 5: Solve for x
   x = 5,957,369,856/49,776
6. Step 6: Final answer
   x = 119,683.58