Finding the Third Proportional to 538,288 and 1,132,340

Step by Step Solution

1. Step 1: Write the proportion equation
   538,288 : 1,132,340 = 1,132,340 : x
2. Step 2: Convert to fraction form
   538,288/1,132,340 = 1,132,340/x
3. Step 3: Cross multiply
   538,288x = 1,132,340 × 1,132,340
4. Step 4: Simplify right side
   538,288x = 1,282,193,875,600
5. Step 5: Solve for x
   x = 1,282,193,875,600/538,288
6. Step 6: Final answer
   x = 2,381,984.88