Finding the Third Proportional to 162,317.25 and 354,159

Step by Step Solution

1. Step 1: Write the proportion equation
   162,317.25 : 354,159 = 354,159 : x
2. Step 2: Convert to fraction form
   162,317.25/354,159 = 354,159/x
3. Step 3: Cross multiply
   162,317.25x = 354,159 × 354,159
4. Step 4: Simplify right side
   162,317.25x = 125,428,597,281
5. Step 5: Solve for x
   x = 125,428,597,281/162,317.25
6. Step 6: Final answer
   x = 772,737.32