Finding the Third Proportional to 92,242 and 139,210

Step by Step Solution

1. Step 1: Write the proportion equation
   92,242 : 139,210 = 139,210 : x
2. Step 2: Convert to fraction form
   92,242/139,210 = 139,210/x
3. Step 3: Cross multiply
   92,242x = 139,210 × 139,210
4. Step 4: Simplify right side
   92,242x = 19,379,424,100
5. Step 5: Solve for x
   x = 19,379,424,100/92,242
6. Step 6: Final answer
   x = 210,093.28