Finding the Third Proportional to 139,484 and 305,050

Step by Step Solution

1. Step 1: Write the proportion equation
   139,484 : 305,050 = 305,050 : x
2. Step 2: Convert to fraction form
   139,484/305,050 = 305,050/x
3. Step 3: Cross multiply
   139,484x = 305,050 × 305,050
4. Step 4: Simplify right side
   139,484x = 93,055,502,500
5. Step 5: Solve for x
   x = 93,055,502,500/139,484
6. Step 6: Final answer
   x = 667,141.05