Finding the Third Proportional to 81,242 and 188,061

Step by Step Solution

1. Step 1: Write the proportion equation
   81,242 : 188,061 = 188,061 : x
2. Step 2: Convert to fraction form
   81,242/188,061 = 188,061/x
3. Step 3: Cross multiply
   81,242x = 188,061 × 188,061
4. Step 4: Simplify right side
   81,242x = 35,366,939,721
5. Step 5: Solve for x
   x = 35,366,939,721/81,242
6. Step 6: Final answer
   x = 435,328.28