Finding the Third Proportional to 162,667 and 243,043

Step by Step Solution

1. Step 1: Write the proportion equation
   162,667 : 243,043 = 243,043 : x
2. Step 2: Convert to fraction form
   162,667/243,043 = 243,043/x
3. Step 3: Cross multiply
   162,667x = 243,043 × 243,043
4. Step 4: Simplify right side
   162,667x = 59,069,899,849
5. Step 5: Solve for x
   x = 59,069,899,849/162,667
6. Step 6: Final answer
   x = 363,133.89