Finding the Third Proportional to 988,892 and 2,154,040

Step by Step Solution

1. Step 1: Write the proportion equation
   988,892 : 2,154,040 = 2,154,040 : x
2. Step 2: Convert to fraction form
   988,892/2,154,040 = 2,154,040/x
3. Step 3: Cross multiply
   988,892x = 2,154,040 × 2,154,040
4. Step 4: Simplify right side
   988,892x = 4,639,888,321,600
5. Step 5: Solve for x
   x = 4,639,888,321,600/988,892
6. Step 6: Final answer
   x = 4,692,007.14