Finding the Third Proportional to 4,970,568 and 10,666,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,970,568 : 10,666,128 = 10,666,128 : x
2. Step 2: Convert to fraction form
   4,970,568/10,666,128 = 10,666,128/x
3. Step 3: Cross multiply
   4,970,568x = 10,666,128 × 10,666,128
4. Step 4: Simplify right side
   4,970,568x = 113,766,286,512,384
5. Step 5: Solve for x
   x = 113,766,286,512,384/4,970,568
6. Step 6: Final answer
   x = 22,887,985.14