Finding the Third Proportional to 67,463 and 145,131

Step by Step Solution

1. Step 1: Write the proportion equation
   67,463 : 145,131 = 145,131 : x
2. Step 2: Convert to fraction form
   67,463/145,131 = 145,131/x
3. Step 3: Cross multiply
   67,463x = 145,131 × 145,131
4. Step 4: Simplify right side
   67,463x = 21,063,007,161
5. Step 5: Solve for x
   x = 21,063,007,161/67,463
6. Step 6: Final answer
   x = 312,215.69