Finding the Third Proportional to 87,931.41 and 178,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,931.41 : 178,969.50 = 178,969.50 : x
2. Step 2: Convert to fraction form
   87,931.41/178,969.50 = 178,969.50/x
3. Step 3: Cross multiply
   87,931.41x = 178,969.50 × 178,969.50
4. Step 4: Simplify right side
   87,931.41x = 32,030,081,930.25
5. Step 5: Solve for x
   x = 32,030,081,930.25/87,931.41
6. Step 6: Final answer
   x = 364,262.14