Finding the Third Proportional to 458,788 and 1,079,428

Step by Step Solution

1. Step 1: Write the proportion equation
   458,788 : 1,079,428 = 1,079,428 : x
2. Step 2: Convert to fraction form
   458,788/1,079,428 = 1,079,428/x
3. Step 3: Cross multiply
   458,788x = 1,079,428 × 1,079,428
4. Step 4: Simplify right side
   458,788x = 1,165,164,807,184
5. Step 5: Solve for x
   x = 1,165,164,807,184/458,788
6. Step 6: Final answer
   x = 2,539,658.42