Finding the Third Proportional to 4,947,488 and 10,642,900

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947,488 : 10,642,900 = 10,642,900 : x
2. Step 2: Convert to fraction form
   4,947,488/10,642,900 = 10,642,900/x
3. Step 3: Cross multiply
   4,947,488x = 10,642,900 × 10,642,900
4. Step 4: Simplify right side
   4,947,488x = 113,271,320,410,000
5. Step 5: Solve for x
   x = 113,271,320,410,000/4,947,488
6. Step 6: Final answer
   x = 22,894,713.52