Finding the Third Proportional to 47,973 and 76,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,973 : 76,639.50 = 76,639.50 : x
2. Step 2: Convert to fraction form
   47,973/76,639.50 = 76,639.50/x
3. Step 3: Cross multiply
   47,973x = 76,639.50 × 76,639.50
4. Step 4: Simplify right side
   47,973x = 5,873,612,960.25
5. Step 5: Solve for x
   x = 5,873,612,960.25/47,973
6. Step 6: Final answer
   x = 122,435.81