Finding the Third Proportional to 59,560 and 78,756

Step by Step Solution

1. Step 1: Write the proportion equation
   59,560 : 78,756 = 78,756 : x
2. Step 2: Convert to fraction form
   59,560/78,756 = 78,756/x
3. Step 3: Cross multiply
   59,560x = 78,756 × 78,756
4. Step 4: Simplify right side
   59,560x = 6,202,507,536
5. Step 5: Solve for x
   x = 6,202,507,536/59,560
6. Step 6: Final answer
   x = 104,138.81