Finding the Third Proportional to 4,985,216 and 10,810,240

Step by Step Solution

1. Step 1: Write the proportion equation
   4,985,216 : 10,810,240 = 10,810,240 : x
2. Step 2: Convert to fraction form
   4,985,216/10,810,240 = 10,810,240/x
3. Step 3: Cross multiply
   4,985,216x = 10,810,240 × 10,810,240
4. Step 4: Simplify right side
   4,985,216x = 116,861,288,857,600
5. Step 5: Solve for x
   x = 116,861,288,857,600/4,985,216
6. Step 6: Final answer
   x = 23,441,569.81