Finding the Third Proportional to 5,074,864 and 10,991,173

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074,864 : 10,991,173 = 10,991,173 : x
2. Step 2: Convert to fraction form
   5,074,864/10,991,173 = 10,991,173/x
3. Step 3: Cross multiply
   5,074,864x = 10,991,173 × 10,991,173
4. Step 4: Simplify right side
   5,074,864x = 120,805,883,915,929
5. Step 5: Solve for x
   x = 120,805,883,915,929/5,074,864
6. Step 6: Final answer
   x = 23,804,752.98