Finding the Third Proportional to 42,560.75 and 68,576.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,560.75 : 68,576.78 = 68,576.78 : x
2. Step 2: Convert to fraction form
   42,560.75/68,576.78 = 68,576.78/x
3. Step 3: Cross multiply
   42,560.75x = 68,576.78 × 68,576.78
4. Step 4: Simplify right side
   42,560.75x = 4,702,775,194.49
5. Step 5: Solve for x
   x = 4,702,775,194.49/42,560.75
6. Step 6: Final answer
   x = 110,495.58