Finding the Third Proportional to 139,167 and 298,008

Step by Step Solution

1. Step 1: Write the proportion equation
   139,167 : 298,008 = 298,008 : x
2. Step 2: Convert to fraction form
   139,167/298,008 = 298,008/x
3. Step 3: Cross multiply
   139,167x = 298,008 × 298,008
4. Step 4: Simplify right side
   139,167x = 88,808,768,064
5. Step 5: Solve for x
   x = 88,808,768,064/139,167
6. Step 6: Final answer
   x = 638,145.31