Finding the Third Proportional to 87,354.50 and 187,174

Step by Step Solution

1. Step 1: Write the proportion equation
   87,354.50 : 187,174 = 187,174 : x
2. Step 2: Convert to fraction form
   87,354.50/187,174 = 187,174/x
3. Step 3: Cross multiply
   87,354.50x = 187,174 × 187,174
4. Step 4: Simplify right side
   87,354.50x = 35,034,106,276
5. Step 5: Solve for x
   x = 35,034,106,276/87,354.50
6. Step 6: Final answer
   x = 401,056.69