Finding the Third Proportional to 42,956 and 65,716

Step by Step Solution

1. Step 1: Write the proportion equation
   42,956 : 65,716 = 65,716 : x
2. Step 2: Convert to fraction form
   42,956/65,716 = 65,716/x
3. Step 3: Cross multiply
   42,956x = 65,716 × 65,716
4. Step 4: Simplify right side
   42,956x = 4,318,592,656
5. Step 5: Solve for x
   x = 4,318,592,656/42,956
6. Step 6: Final answer
   x = 100,535.26