Finding the Third Proportional to 5,571,809 and 12,071,059

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571,809 : 12,071,059 = 12,071,059 : x
2. Step 2: Convert to fraction form
   5,571,809/12,071,059 = 12,071,059/x
3. Step 3: Cross multiply
   5,571,809x = 12,071,059 × 12,071,059
4. Step 4: Simplify right side
   5,571,809x = 145,710,465,381,481
5. Step 5: Solve for x
   x = 145,710,465,381,481/5,571,809
6. Step 6: Final answer
   x = 26,151,374.78