Finding the Third Proportional to 42,284 and 56,956

Step by Step Solution

1. Step 1: Write the proportion equation
   42,284 : 56,956 = 56,956 : x
2. Step 2: Convert to fraction form
   42,284/56,956 = 56,956/x
3. Step 3: Cross multiply
   42,284x = 56,956 × 56,956
4. Step 4: Simplify right side
   42,284x = 3,243,985,936
5. Step 5: Solve for x
   x = 3,243,985,936/42,284
6. Step 6: Final answer
   x = 76,718.99