Finding the Third Proportional to 4,627,218 and 10,026,686

Step by Step Solution

1. Step 1: Write the proportion equation
   4,627,218 : 10,026,686 = 10,026,686 : x
2. Step 2: Convert to fraction form
   4,627,218/10,026,686 = 10,026,686/x
3. Step 3: Cross multiply
   4,627,218x = 10,026,686 × 10,026,686
4. Step 4: Simplify right side
   4,627,218x = 100,534,432,142,596
5. Step 5: Solve for x
   x = 100,534,432,142,596/4,627,218
6. Step 6: Final answer
   x = 21,726,755.07