Finding the Third Proportional to 5,121,173 and 7,929,093

Step by Step Solution

1. Step 1: Write the proportion equation
   5,121,173 : 7,929,093 = 7,929,093 : x
2. Step 2: Convert to fraction form
   5,121,173/7,929,093 = 7,929,093/x
3. Step 3: Cross multiply
   5,121,173x = 7,929,093 × 7,929,093
4. Step 4: Simplify right side
   5,121,173x = 62,870,515,802,649
5. Step 5: Solve for x
   x = 62,870,515,802,649/5,121,173
6. Step 6: Final answer
   x = 12,276,585.03