Finding the Third Proportional to 51,173,648 and 73,178,920

Step by Step Solution

1. Step 1: Write the proportion equation
   51,173,648 : 73,178,920 = 73,178,920 : x
2. Step 2: Convert to fraction form
   51,173,648/73,178,920 = 73,178,920/x
3. Step 3: Cross multiply
   51,173,648x = 73,178,920 × 73,178,920
4. Step 4: Simplify right side
   51,173,648x = 5,355,154,332,366,400
5. Step 5: Solve for x
   x = 5,355,154,332,366,400/51,173,648
6. Step 6: Final answer
   x = 104,646,718.41