Finding the Third Proportional to 90,644 and 140,006

Step by Step Solution

1. Step 1: Write the proportion equation
   90,644 : 140,006 = 140,006 : x
2. Step 2: Convert to fraction form
   90,644/140,006 = 140,006/x
3. Step 3: Cross multiply
   90,644x = 140,006 × 140,006
4. Step 4: Simplify right side
   90,644x = 19,601,680,036
5. Step 5: Solve for x
   x = 19,601,680,036/90,644
6. Step 6: Final answer
   x = 216,249.06