Finding the Third Proportional to 2,145,236 and 3,147,726

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,236 : 3,147,726 = 3,147,726 : x
2. Step 2: Convert to fraction form
   2,145,236/3,147,726 = 3,147,726/x
3. Step 3: Cross multiply
   2,145,236x = 3,147,726 × 3,147,726
4. Step 4: Simplify right side
   2,145,236x = 9,908,178,971,076
5. Step 5: Solve for x
   x = 9,908,178,971,076/2,145,236
6. Step 6: Final answer
   x = 4,618,689.49