Finding the Third Proportional to 42,356 and 56,622

Step by Step Solution

1. Step 1: Write the proportion equation
   42,356 : 56,622 = 56,622 : x
2. Step 2: Convert to fraction form
   42,356/56,622 = 56,622/x
3. Step 3: Cross multiply
   42,356x = 56,622 × 56,622
4. Step 4: Simplify right side
   42,356x = 3,206,050,884
5. Step 5: Solve for x
   x = 3,206,050,884/42,356
6. Step 6: Final answer
   x = 75,692.96