Finding the Third Proportional to 42,356 and 56,467

Step by Step Solution

1. Step 1: Write the proportion equation
   42,356 : 56,467 = 56,467 : x
2. Step 2: Convert to fraction form
   42,356/56,467 = 56,467/x
3. Step 3: Cross multiply
   42,356x = 56,467 × 56,467
4. Step 4: Simplify right side
   42,356x = 3,188,522,089
5. Step 5: Solve for x
   x = 3,188,522,089/42,356
6. Step 6: Final answer
   x = 75,279.11