Finding the Third Proportional to 100,949.50 and 147,042

Step by Step Solution

1. Step 1: Write the proportion equation
   100,949.50 : 147,042 = 147,042 : x
2. Step 2: Convert to fraction form
   100,949.50/147,042 = 147,042/x
3. Step 3: Cross multiply
   100,949.50x = 147,042 × 147,042
4. Step 4: Simplify right side
   100,949.50x = 21,621,349,764
5. Step 5: Solve for x
   x = 21,621,349,764/100,949.50
6. Step 6: Final answer
   x = 214,179.86