Finding the Third Proportional to 86,755 and 188,900

Step by Step Solution

1. Step 1: Write the proportion equation
   86,755 : 188,900 = 188,900 : x
2. Step 2: Convert to fraction form
   86,755/188,900 = 188,900/x
3. Step 3: Cross multiply
   86,755x = 188,900 × 188,900
4. Step 4: Simplify right side
   86,755x = 35,683,210,000
5. Step 5: Solve for x
   x = 35,683,210,000/86,755
6. Step 6: Final answer
   x = 411,310.13