Finding the Third Proportional to 456,158 and 708,051

Step by Step Solution

1. Step 1: Write the proportion equation
   456,158 : 708,051 = 708,051 : x
2. Step 2: Convert to fraction form
   456,158/708,051 = 708,051/x
3. Step 3: Cross multiply
   456,158x = 708,051 × 708,051
4. Step 4: Simplify right side
   456,158x = 501,336,218,601
5. Step 5: Solve for x
   x = 501,336,218,601/456,158
6. Step 6: Final answer
   x = 1,099,040.72