Finding the Third Proportional to 139,950 and 210,627

Step by Step Solution

1. Step 1: Write the proportion equation
   139,950 : 210,627 = 210,627 : x
2. Step 2: Convert to fraction form
   139,950/210,627 = 210,627/x
3. Step 3: Cross multiply
   139,950x = 210,627 × 210,627
4. Step 4: Simplify right side
   139,950x = 44,363,733,129
5. Step 5: Solve for x
   x = 44,363,733,129/139,950
6. Step 6: Final answer
   x = 316,997.02