Finding the Third Proportional to 42,738.75 and 62,718.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738.75 : 62,718.56 = 62,718.56 : x
2. Step 2: Convert to fraction form
   42,738.75/62,718.56 = 62,718.56/x
3. Step 3: Cross multiply
   42,738.75x = 62,718.56 × 62,718.56
4. Step 4: Simplify right side
   42,738.75x = 3,933,618,082.07
5. Step 5: Solve for x
   x = 3,933,618,082.07/42,738.75
6. Step 6: Final answer
   x = 92,038.68