Finding the Third Proportional to 5,818,812 and 12,721,074

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818,812 : 12,721,074 = 12,721,074 : x
2. Step 2: Convert to fraction form
   5,818,812/12,721,074 = 12,721,074/x
3. Step 3: Cross multiply
   5,818,812x = 12,721,074 × 12,721,074
4. Step 4: Simplify right side
   5,818,812x = 161,825,723,713,476
5. Step 5: Solve for x
   x = 161,825,723,713,476/5,818,812
6. Step 6: Final answer
   x = 27,810,784.01