Finding the Third Proportional to 195,422.25 and 428,253

Step by Step Solution

1. Step 1: Write the proportion equation
   195,422.25 : 428,253 = 428,253 : x
2. Step 2: Convert to fraction form
   195,422.25/428,253 = 428,253/x
3. Step 3: Cross multiply
   195,422.25x = 428,253 × 428,253
4. Step 4: Simplify right side
   195,422.25x = 183,400,632,009
5. Step 5: Solve for x
   x = 183,400,632,009/195,422.25
6. Step 6: Final answer
   x = 938,483.88