Finding the Third Proportional to 67,507 and 147,731

Step by Step Solution

1. Step 1: Write the proportion equation
   67,507 : 147,731 = 147,731 : x
2. Step 2: Convert to fraction form
   67,507/147,731 = 147,731/x
3. Step 3: Cross multiply
   67,507x = 147,731 × 147,731
4. Step 4: Simplify right side
   67,507x = 21,824,448,361
5. Step 5: Solve for x
   x = 21,824,448,361/67,507
6. Step 6: Final answer
   x = 323,291.63