Finding the Third Proportional to 427,308 and 923,142

Step by Step Solution

1. Step 1: Write the proportion equation
   427,308 : 923,142 = 923,142 : x
2. Step 2: Convert to fraction form
   427,308/923,142 = 923,142/x
3. Step 3: Cross multiply
   427,308x = 923,142 × 923,142
4. Step 4: Simplify right side
   427,308x = 852,191,152,164
5. Step 5: Solve for x
   x = 852,191,152,164/427,308
6. Step 6: Final answer
   x = 1,994,325.29