Finding the Third Proportional to 85,182,562 and 185,289,990

Step by Step Solution

1. Step 1: Write the proportion equation
   85,182,562 : 185,289,990 = 185,289,990 : x
2. Step 2: Convert to fraction form
   85,182,562/185,289,990 = 185,289,990/x
3. Step 3: Cross multiply
   85,182,562x = 185,289,990 × 185,289,990
4. Step 4: Simplify right side
   85,182,562x = 34,332,380,394,200,100
5. Step 5: Solve for x
   x = 34,332,380,394,200,100/85,182,562
6. Step 6: Final answer
   x = 403,044,702.91