Finding the Third Proportional to 14,012,403 and 21,118,830

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012,403 : 21,118,830 = 21,118,830 : x
2. Step 2: Convert to fraction form
   14,012,403/21,118,830 = 21,118,830/x
3. Step 3: Cross multiply
   14,012,403x = 21,118,830 × 21,118,830
4. Step 4: Simplify right side
   14,012,403x = 446,004,980,568,900
5. Step 5: Solve for x
   x = 446,004,980,568,900/14,012,403
6. Step 6: Final answer
   x = 31,829,300.13