Finding the Third Proportional to 42,756 and 63,780

Step by Step Solution

1. Step 1: Write the proportion equation
   42,756 : 63,780 = 63,780 : x
2. Step 2: Convert to fraction form
   42,756/63,780 = 63,780/x
3. Step 3: Cross multiply
   42,756x = 63,780 × 63,780
4. Step 4: Simplify right side
   42,756x = 4,067,888,400
5. Step 5: Solve for x
   x = 4,067,888,400/42,756
6. Step 6: Final answer
   x = 95,141.93