Finding the Third Proportional to 3,251,584 and 7,146,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,251,584 : 7,146,720 = 7,146,720 : x
2. Step 2: Convert to fraction form
   3,251,584/7,146,720 = 7,146,720/x
3. Step 3: Cross multiply
   3,251,584x = 7,146,720 × 7,146,720
4. Step 4: Simplify right side
   3,251,584x = 51,075,606,758,400
5. Step 5: Solve for x
   x = 51,075,606,758,400/3,251,584
6. Step 6: Final answer
   x = 15,707,915.51