Finding the Third Proportional to 195,317.50 and 428,026

Step by Step Solution

1. Step 1: Write the proportion equation
   195,317.50 : 428,026 = 428,026 : x
2. Step 2: Convert to fraction form
   195,317.50/428,026 = 428,026/x
3. Step 3: Cross multiply
   195,317.50x = 428,026 × 428,026
4. Step 4: Simplify right side
   195,317.50x = 183,206,256,676
5. Step 5: Solve for x
   x = 183,206,256,676/195,317.50
6. Step 6: Final answer
   x = 937,992.02