Finding the Third Proportional to 87,804 and 189,648

Step by Step Solution

1. Step 1: Write the proportion equation
   87,804 : 189,648 = 189,648 : x
2. Step 2: Convert to fraction form
   87,804/189,648 = 189,648/x
3. Step 3: Cross multiply
   87,804x = 189,648 × 189,648
4. Step 4: Simplify right side
   87,804x = 35,966,363,904
5. Step 5: Solve for x
   x = 35,966,363,904/87,804
6. Step 6: Final answer
   x = 409,621.02