Finding the Third Proportional to 557,789 and 1,148,590

Step by Step Solution

1. Step 1: Write the proportion equation
   557,789 : 1,148,590 = 1,148,590 : x
2. Step 2: Convert to fraction form
   557,789/1,148,590 = 1,148,590/x
3. Step 3: Cross multiply
   557,789x = 1,148,590 × 1,148,590
4. Step 4: Simplify right side
   557,789x = 1,319,258,988,100
5. Step 5: Solve for x
   x = 1,319,258,988,100/557,789
6. Step 6: Final answer
   x = 2,365,157.77