Finding the Third Proportional to 521,342 and 1,142,328

Step by Step Solution

1. Step 1: Write the proportion equation
   521,342 : 1,142,328 = 1,142,328 : x
2. Step 2: Convert to fraction form
   521,342/1,142,328 = 1,142,328/x
3. Step 3: Cross multiply
   521,342x = 1,142,328 × 1,142,328
4. Step 4: Simplify right side
   521,342x = 1,304,913,259,584
5. Step 5: Solve for x
   x = 1,304,913,259,584/521,342
6. Step 6: Final answer
   x = 2,502,988.94