Finding the Third Proportional to 4,020,210 and 8,749,008

Step by Step Solution

1. Step 1: Write the proportion equation
   4,020,210 : 8,749,008 = 8,749,008 : x
2. Step 2: Convert to fraction form
   4,020,210/8,749,008 = 8,749,008/x
3. Step 3: Cross multiply
   4,020,210x = 8,749,008 × 8,749,008
4. Step 4: Simplify right side
   4,020,210x = 76,545,140,984,064
5. Step 5: Solve for x
   x = 76,545,140,984,064/4,020,210
6. Step 6: Final answer
   x = 19,040,085.22