Finding the Third Proportional to 208,150 and 431,068

Step by Step Solution

1. Step 1: Write the proportion equation
   208,150 : 431,068 = 431,068 : x
2. Step 2: Convert to fraction form
   208,150/431,068 = 431,068/x
3. Step 3: Cross multiply
   208,150x = 431,068 × 431,068
4. Step 4: Simplify right side
   208,150x = 185,819,620,624
5. Step 5: Solve for x
   x = 185,819,620,624/208,150
6. Step 6: Final answer
   x = 892,719.77