Finding the Third Proportional to 87,506 and 187,404

Step by Step Solution

1. Step 1: Write the proportion equation
   87,506 : 187,404 = 187,404 : x
2. Step 2: Convert to fraction form
   87,506/187,404 = 187,404/x
3. Step 3: Cross multiply
   87,506x = 187,404 × 187,404
4. Step 4: Simplify right side
   87,506x = 35,120,259,216
5. Step 5: Solve for x
   x = 35,120,259,216/87,506
6. Step 6: Final answer
   x = 401,346.87