Finding the Third Proportional to 2,947,388 and 4,686,807

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,388 : 4,686,807 = 4,686,807 : x
2. Step 2: Convert to fraction form
   2,947,388/4,686,807 = 4,686,807/x
3. Step 3: Cross multiply
   2,947,388x = 4,686,807 × 4,686,807
4. Step 4: Simplify right side
   2,947,388x = 21,966,159,855,249
5. Step 5: Solve for x
   x = 21,966,159,855,249/2,947,388
6. Step 6: Final answer
   x = 7,452,754.73