Finding the Third Proportional to 427,920 and 662,250.38

Step by Step Solution

1. Step 1: Write the proportion equation
   427,920 : 662,250.38 = 662,250.38 : x
2. Step 2: Convert to fraction form
   427,920/662,250.38 = 662,250.38/x
3. Step 3: Cross multiply
   427,920x = 662,250.38 × 662,250.38
4. Step 4: Simplify right side
   427,920x = 438,575,559,187.64
5. Step 5: Solve for x
   x = 438,575,559,187.64/427,920
6. Step 6: Final answer
   x = 1,024,900.82