Finding the Third Proportional to 162,012 and 243,015

Step by Step Solution

1. Step 1: Write the proportion equation
   162,012 : 243,015 = 243,015 : x
2. Step 2: Convert to fraction form
   162,012/243,015 = 243,015/x
3. Step 3: Cross multiply
   162,012x = 243,015 × 243,015
4. Step 4: Simplify right side
   162,012x = 59,056,290,225
5. Step 5: Solve for x
   x = 59,056,290,225/162,012
6. Step 6: Final answer
   x = 364,518.00