Finding the Third Proportional to 245,222 and 529,142

Step by Step Solution

1. Step 1: Write the proportion equation
   245,222 : 529,142 = 529,142 : x
2. Step 2: Convert to fraction form
   245,222/529,142 = 529,142/x
3. Step 3: Cross multiply
   245,222x = 529,142 × 529,142
4. Step 4: Simplify right side
   245,222x = 279,991,256,164
5. Step 5: Solve for x
   x = 279,991,256,164/245,222
6. Step 6: Final answer
   x = 1,141,786.86