Finding the Third Proportional to 521,340 and 1,142,325

Step by Step Solution

1. Step 1: Write the proportion equation
   521,340 : 1,142,325 = 1,142,325 : x
2. Step 2: Convert to fraction form
   521,340/1,142,325 = 1,142,325/x
3. Step 3: Cross multiply
   521,340x = 1,142,325 × 1,142,325
4. Step 4: Simplify right side
   521,340x = 1,304,906,405,625
5. Step 5: Solve for x
   x = 1,304,906,405,625/521,340
6. Step 6: Final answer
   x = 2,502,985.39