Finding the Third Proportional to 195,625.50 and 428,754

Step by Step Solution

1. Step 1: Write the proportion equation
   195,625.50 : 428,754 = 428,754 : x
2. Step 2: Convert to fraction form
   195,625.50/428,754 = 428,754/x
3. Step 3: Cross multiply
   195,625.50x = 428,754 × 428,754
4. Step 4: Simplify right side
   195,625.50x = 183,829,992,516
5. Step 5: Solve for x
   x = 183,829,992,516/195,625.50
6. Step 6: Final answer
   x = 939,703.63