Finding the Third Proportional to 243,091 and 530,042

Step by Step Solution

1. Step 1: Write the proportion equation
   243,091 : 530,042 = 530,042 : x
2. Step 2: Convert to fraction form
   243,091/530,042 = 530,042/x
3. Step 3: Cross multiply
   243,091x = 530,042 × 530,042
4. Step 4: Simplify right side
   243,091x = 280,944,521,764
5. Step 5: Solve for x
   x = 280,944,521,764/243,091
6. Step 6: Final answer
   x = 1,155,717.50