Finding the Third Proportional to 538,390 and 1,165,940

Step by Step Solution

1. Step 1: Write the proportion equation
   538,390 : 1,165,940 = 1,165,940 : x
2. Step 2: Convert to fraction form
   538,390/1,165,940 = 1,165,940/x
3. Step 3: Cross multiply
   538,390x = 1,165,940 × 1,165,940
4. Step 4: Simplify right side
   538,390x = 1,359,416,083,600
5. Step 5: Solve for x
   x = 1,359,416,083,600/538,390
6. Step 6: Final answer
   x = 2,524,965.33