Finding the Third Proportional to 240,573 and 522,123

Step by Step Solution

1. Step 1: Write the proportion equation
   240,573 : 522,123 = 522,123 : x
2. Step 2: Convert to fraction form
   240,573/522,123 = 522,123/x
3. Step 3: Cross multiply
   240,573x = 522,123 × 522,123
4. Step 4: Simplify right side
   240,573x = 272,612,427,129
5. Step 5: Solve for x
   x = 272,612,427,129/240,573
6. Step 6: Final answer
   x = 1,133,179.65