Finding the Third Proportional to 5,138,008 and 8,001,144

Step by Step Solution

1. Step 1: Write the proportion equation
   5,138,008 : 8,001,144 = 8,001,144 : x
2. Step 2: Convert to fraction form
   5,138,008/8,001,144 = 8,001,144/x
3. Step 3: Cross multiply
   5,138,008x = 8,001,144 × 8,001,144
4. Step 4: Simplify right side
   5,138,008x = 64,018,305,308,736
5. Step 5: Solve for x
   x = 64,018,305,308,736/5,138,008
6. Step 6: Final answer
   x = 12,459,751.97