Finding the Third Proportional to 521,892 and 1,112,128

Step by Step Solution

1. Step 1: Write the proportion equation
   521,892 : 1,112,128 = 1,112,128 : x
2. Step 2: Convert to fraction form
   521,892/1,112,128 = 1,112,128/x
3. Step 3: Cross multiply
   521,892x = 1,112,128 × 1,112,128
4. Step 4: Simplify right side
   521,892x = 1,236,828,688,384
5. Step 5: Solve for x
   x = 1,236,828,688,384/521,892
6. Step 6: Final answer
   x = 2,369,893.94