Finding the Third Proportional to 5,121,180 and 7,929,104

Step by Step Solution

1. Step 1: Write the proportion equation
   5,121,180 : 7,929,104 = 7,929,104 : x
2. Step 2: Convert to fraction form
   5,121,180/7,929,104 = 7,929,104/x
3. Step 3: Cross multiply
   5,121,180x = 7,929,104 × 7,929,104
4. Step 4: Simplify right side
   5,121,180x = 62,870,690,242,816
5. Step 5: Solve for x
   x = 62,870,690,242,816/5,121,180
6. Step 6: Final answer
   x = 12,276,602.31