Finding the Third Proportional to 3,970,262 and 8,590,050

Step by Step Solution

1. Step 1: Write the proportion equation
   3,970,262 : 8,590,050 = 8,590,050 : x
2. Step 2: Convert to fraction form
   3,970,262/8,590,050 = 8,590,050/x
3. Step 3: Cross multiply
   3,970,262x = 8,590,050 × 8,590,050
4. Step 4: Simplify right side
   3,970,262x = 73,788,959,002,500
5. Step 5: Solve for x
   x = 73,788,959,002,500/3,970,262
6. Step 6: Final answer
   x = 18,585,413.00