Finding the Third Proportional to 42,656 and 64,571

Step by Step Solution

1. Step 1: Write the proportion equation
   42,656 : 64,571 = 64,571 : x
2. Step 2: Convert to fraction form
   42,656/64,571 = 64,571/x
3. Step 3: Cross multiply
   42,656x = 64,571 × 64,571
4. Step 4: Simplify right side
   42,656x = 4,169,414,041
5. Step 5: Solve for x
   x = 4,169,414,041/42,656
6. Step 6: Final answer
   x = 97,745.08