Finding the Third Proportional to 3,251,563 and 7,146,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,251,563 : 7,146,680 = 7,146,680 : x
2. Step 2: Convert to fraction form
   3,251,563/7,146,680 = 7,146,680/x
3. Step 3: Cross multiply
   3,251,563x = 7,146,680 × 7,146,680
4. Step 4: Simplify right side
   3,251,563x = 51,075,035,022,400
5. Step 5: Solve for x
   x = 51,075,035,022,400/3,251,563
6. Step 6: Final answer
   x = 15,707,841.13