Finding the Third Proportional to 156,956 and 335,458

Step by Step Solution

1. Step 1: Write the proportion equation
   156,956 : 335,458 = 335,458 : x
2. Step 2: Convert to fraction form
   156,956/335,458 = 335,458/x
3. Step 3: Cross multiply
   156,956x = 335,458 × 335,458
4. Step 4: Simplify right side
   156,956x = 112,532,069,764
5. Step 5: Solve for x
   x = 112,532,069,764/156,956
6. Step 6: Final answer
   x = 716,965.71