Finding the Third Proportional to 479,123.25 and 718,696.88

Step by Step Solution

1. Step 1: Write the proportion equation
   479,123.25 : 718,696.88 = 718,696.88 : x
2. Step 2: Convert to fraction form
   479,123.25/718,696.88 = 718,696.88/x
3. Step 3: Cross multiply
   479,123.25x = 718,696.88 × 718,696.88
4. Step 4: Simplify right side
   479,123.25x = 516,525,198,134.77
5. Step 5: Solve for x
   x = 516,525,198,134.77/479,123.25
6. Step 6: Final answer
   x = 1,078,063.31