Finding the Third Proportional to 87,849 and 188,090

Step by Step Solution

1. Step 1: Write the proportion equation
   87,849 : 188,090 = 188,090 : x
2. Step 2: Convert to fraction form
   87,849/188,090 = 188,090/x
3. Step 3: Cross multiply
   87,849x = 188,090 × 188,090
4. Step 4: Simplify right side
   87,849x = 35,377,848,100
5. Step 5: Solve for x
   x = 35,377,848,100/87,849
6. Step 6: Final answer
   x = 402,712.02