Finding the Third Proportional to 4,128,896 and 8,548,116

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128,896 : 8,548,116 = 8,548,116 : x
2. Step 2: Convert to fraction form
   4,128,896/8,548,116 = 8,548,116/x
3. Step 3: Cross multiply
   4,128,896x = 8,548,116 × 8,548,116
4. Step 4: Simplify right side
   4,128,896x = 73,070,287,149,456
5. Step 5: Solve for x
   x = 73,070,287,149,456/4,128,896
6. Step 6: Final answer
   x = 17,697,294.18