Finding the Third Proportional to 139,314 and 203,132

Step by Step Solution

1. Step 1: Write the proportion equation
   139,314 : 203,132 = 203,132 : x
2. Step 2: Convert to fraction form
   139,314/203,132 = 203,132/x
3. Step 3: Cross multiply
   139,314x = 203,132 × 203,132
4. Step 4: Simplify right side
   139,314x = 41,262,609,424
5. Step 5: Solve for x
   x = 41,262,609,424/139,314
6. Step 6: Final answer
   x = 296,184.23