Finding the Third Proportional to 40,308 and 87,756

Step by Step Solution

1. Step 1: Write the proportion equation
   40,308 : 87,756 = 87,756 : x
2. Step 2: Convert to fraction form
   40,308/87,756 = 87,756/x
3. Step 3: Cross multiply
   40,308x = 87,756 × 87,756
4. Step 4: Simplify right side
   40,308x = 7,701,115,536
5. Step 5: Solve for x
   x = 7,701,115,536/40,308
6. Step 6: Final answer
   x = 191,056.75