Finding the Third Proportional to 95,140 and 206,128

Step by Step Solution

1. Step 1: Write the proportion equation
   95,140 : 206,128 = 206,128 : x
2. Step 2: Convert to fraction form
   95,140/206,128 = 206,128/x
3. Step 3: Cross multiply
   95,140x = 206,128 × 206,128
4. Step 4: Simplify right side
   95,140x = 42,488,752,384
5. Step 5: Solve for x
   x = 42,488,752,384/95,140
6. Step 6: Final answer
   x = 446,591.89