Finding the Third Proportional to 12,944,454 and 28,147,980

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944,454 : 28,147,980 = 28,147,980 : x
2. Step 2: Convert to fraction form
   12,944,454/28,147,980 = 28,147,980/x
3. Step 3: Cross multiply
   12,944,454x = 28,147,980 × 28,147,980
4. Step 4: Simplify right side
   12,944,454x = 792,308,778,080,400
5. Step 5: Solve for x
   x = 792,308,778,080,400/12,944,454
6. Step 6: Final answer
   x = 61,208,358.27