Finding the Third Proportional to 4,550,878 and 9,749,468

Step by Step Solution

1. Step 1: Write the proportion equation
   4,550,878 : 9,749,468 = 9,749,468 : x
2. Step 2: Convert to fraction form
   4,550,878/9,749,468 = 9,749,468/x
3. Step 3: Cross multiply
   4,550,878x = 9,749,468 × 9,749,468
4. Step 4: Simplify right side
   4,550,878x = 95,052,126,283,024
5. Step 5: Solve for x
   x = 95,052,126,283,024/4,550,878
6. Step 6: Final answer
   x = 20,886,546.79